中小学教育资源及组卷应用平台
考点01
时间状语从句
（一轮复习）
1.It
________
long
before
they
________
the
condition
of
the
patient
in
the
hospital.
A.?will
not
be;
wi
(?http:?/??/?www.21cnjy.com?)ll
know??????????????B.?is;
will
know??????????????C.?will
not
be;
know??????????????D.?is
know
【答案】
C
【解析】句意：不久他们就会知道病人的情
(?http:?/??/?www.21cnjy.com?)况。
It
be+
一段时间
+before从句。固定句式。“一段时间以后某事才发生”。before从句里用一般现在时代替将来时，主句用将来时。故选C。
【总结】考查时态，本题涉及一般将来时和一般现在时，以及固定句式“It
be
+一段时间+
before从句”21世纪教育网版权所有
2.______,
we
are
familiar
with
each
other
very
well.
21教育网
A.?As
time
going
on??????B.?With
time
goes
on??????C.?With
time
to
go
on??????D.?As
time
goes
on
【答案】
D
【解析】句意：随着时间的推移，我们彼此很
(?http:?/??/?www.21cnjy.com?)了解。此处as“随着”，引导时间状语从句；with
time
going
on是with的独立主格结构。故选D。
【总结】考查状语从句，本题涉及as引导的时间状语从句。21cnjy.com
3.She
was
on
(?http:?/??/?www.21cnjy.com?)
the
point
of
going
out
_________
the
telephone
rang.
A.?while????????????????????????????????B.?when????????????????????????????????C.?as????????????????????????????????D.?the
moment
【答案】
B
【解析】句意：他正准备出门的时候，
(?http:?/??/?www.21cnjy.com?)突然电话响了。be
about
to
do
...when...固定句式，“正要做某事的时候，突然......”，强调另一个动作的突然性，故选B。
【总结】考查时间状语从句，以及固定句式be
about
to
do
...
when...。21·cn·jy·com
4.Tom
was
abo
(?http:?/??/?www.21cnjy.com?)ut
to
close
the
window
???his
attention
was
caught
by
a
bird.
A.?when???????????????????????????????????????B.?if???????????????????????????????????????C.?and???????????????????????????????????????D.?till
【答案】
A
【解析】句意：汤姆正要关上窗
(?http:?/??/?www.21cnjy.com?)户，就在这时一只鸟引起了他的注意。...be
about
to
do...when...”固定句式，“......正要做......，这时.....”，when作并列连词，相当于and
at
that
time，故选A。
【总结】考查状语从句，本题涉及when引导的时间状语从句，以及固定句式“...be
about
to
do...when...”。2·1·c·n·j·y
5.—Was
it
under
the
tree
_______
you
were
away
talking
to
a
friend?
21·世纪
教育网
—
Sure.
But
when
I
get
back
there,
the
car
was
gone.2-1-c-n-j-y
A.?that??????????????????????????????????B.?where??????????????????????????????????C.?which??????????????????????????????????D.?while
【答案】
D
【解析】句意：——当你去和朋友
(?http:?/??/?www.21cnjy.com?)谈话的时候，自行车是在大树下下面吗？——当然。但是当我回到那里的时候，自行车以后不见了。本句中的it是一个代词，指代the
car，根据句意是while引导的时间状语从句，故选D。
【总结】考查状语从句，本题涉及while引导的时间状语从句。21
cnjy
com
6.______,
a
small
(?http:?/??/?www.21cnjy.com?)
advertisement
held
my
attention,
which
read
"Easy
job．Good
wages.
No
experience
necessary."
www-2-1-cnjy-com
A.?Looking
through
the
newspaper???????????????????B.?While
I
was
looking
through
the
newspaper
C.?To
look
through
the
newspaper?????????????????????D.?I
was
looking
through
the
newspaper
【答案】
B
【解析】句意：?当我在看报纸的时候,一则
(?http:?/??/?www.21cnjy.com?)小广告吸引了我的注意力,上面写着”轻松的工作，丰厚的薪水，不需要经验”。非谓语动词作状语时，动词的逻辑主语必须和主句的主语一致，而这道题主句的主语是a
small
advertisement，而look
through的逻辑主语应该是人，所以不能用非谓语动词，而应该选时间状语从句。故选B。
【总结】考查状语从句，本题涉及while引导的时间状语从句。【来源：21cnj
y.co
m】
7.We
were
having
din
(?http:?/??/?www.21cnjy.com?)ner
_______
there
was
a
knock
on
the
door.
A.?when????????????????????????????????????B.?while????????????????????????????????????C.?as????????????????????????????????????D.?then
【答案】
A
【解析】句意：我们正在吃饭时，有人敲门。be
(?http:?/??/?www.21cnjy.com?)
doing
...when
...固定短语，“正在做......，这时......”，故选A。
【总结】考查状语从句，本题涉及when引导的时间状语从句，以及固定句式be
doing
...when
...。21教育名师原创作品
8.It's
ten
yea
(?http:?/??/?www.21cnjy.com?)rs
_________
the
scientist
set
out
to
discover
the
valuable
chemical.
A.?when??????????????????????????????????B.?that??????????????????????????????????C.?before??????????????????????????????????D.?since
【答案】
D
【解析】句意：科学家已经
(?http:?/??/?www.21cnjy.com?)十年没有开始发现这种有价值的化学物质了。It's
+时间段+since从句，从句的谓语动词用一般过去时，故选D。
【总结】考查状语从句，本题涉及since引导的时间状语从句。21
cnjy
com
9.______
I
went
to
London,
I
was
impressed
by
its
beauty.
A.?The
first
time?????????????????B.?At
first?????????????????C.?For
the
first
time?????????????????D.?At
the
first
time
【答案】
A
【解析】句意：我第一次去伦敦时，它的美丽给
(?http:?/??/?www.21cnjy.com?)我留下了深刻的印象。?
?the
first
time
＋从句，意为
“……
的时候
”
，符合句意。
for
the
first
time
“
第一次，首次
”
，在句中作时间状语；
It
is/was
the
first
time
(that)
．
..
句型中，
that
从句要用完成时态；
at
first
“
首先，最初
”
。此处是the
first
time
引导的时间状语从句，故选A。
【总结】考查状语从句，区分
the
first
time
；
at
first
；
for
the
first
time
和
at
the
first
time的含义和应用，以及the
first
time引导的时间状语从句。
10.Most
peopl
(?http:?/??/?www.21cnjy.com?)e
quit
________
any
results
appear;
they
give
up
too
soon
and
a
quitter
never
wins.
A.?while??????????????????????????????????B.?until??????????????????????????????????C.?since??????????????????????????????????D.?before
【答案】
D
【解析】句意：大多数人在任
(?http:?/??/?www.21cnjy.com?)何结果出现之前就放弃了;他们放弃得太早，放弃的人永远不会成功。A.
while“当……时候”；B.
until“直到……”；C.
since“自从……以来”；D.
before
“在……之前”。根据下文的“they
give
up
too
soon”太快放弃可知，大多数人是在结果出现之前就放弃了。故选D。
【总结】考查状语从句，本题涉及before引导的时间状语从句。
11.There?is?
(?http:?/??/?www.21cnjy.com?)only?one?more?day?to?go
_____
your?favorite?music?group?play?live.
A.?since??????????????????????????????????B.?until??????????????????????????????????C.?when??????????????????????????????????D.?before
【答案】
D
【解析】选项A意为自从，
(?http:?/??/?www.21cnjy.com?)选项B意为直到，选项C意为当...时候，D项意为在...之前，此题前一部分句意为：还有一天，后一部分句意为，你最喜欢的乐队现场表演，根据句意选择D，句意为还有一天你最喜欢的乐队建会现场演奏.【出处：21教育名师】
【总结】本题考查从属连词的选择。一般此类连词
(?http:?/??/?www.21cnjy.com?)连接主句和从句，要求考生熟知每个连词的具体含义，知道和其他连词的区别，再根据主从句的内容，选择最符合题意的连词。本句中有一个很明显的先后关系：还有一天，故选择D最为恰当。【版权所有：21教育】
12.We
need
to
get
to
the
root
of
the
problem______
we
can
solve
it.
A.?while????????????????????????????????????B.?after????????????????????????????????????C.?before????????????????????????????????????D.?as
【答案】
C
【解析】句意：在我们解决问题之前，我
(?http:?/??/?www.21cnjy.com?)们需要找到问题的根源。A.while当……时候，而；B.after在……之后；C.before在……之前；D.as正如。根据句意可知选C。
13.I?wasn't?a
(?http:?/??/?www.21cnjy.com?)ble?to?hide?my?eagerness?when?I?________,?"What?do?you?wish?me?to?do?now?"
A.?ask?????????????????????????????B.??have?asked?????????????????????????????C.?am?asking?????????????????????????????D.?asked
【答案】
D
【解析】一般过去时表示过去某个
(?http:?/??/?www.21cnjy.com?)时间里发生的动作，常和表示过去的时间状语连用，此题主句的时态：一般过去时，表示这个事情和动作发生在过去，故从句时态也要用一般过去时，句意：我不能隐藏我的，渴望，当我问道，“你现在希望我做些什么？故选D，
【总结】分析4个选项可以知道，该题考查
(?http:?/??/?www.21cnjy.com?)的其实是不同的时态。掌握英语的时态和语态，必须掌握好英语中的助动词(do,?be,?have)和时间状语这两个核心问题，如本题的I?wasn't?able?to是一个提示。另外也要结合使用语境综合分析选项，最终得出答案。www.21-cn-jy.com
14.As
you
go
(?http:?/??/?www.21cnjy.com?)
through
this
book,
you
________
that
each
of
the
millions
of
people
who
lived
through
World
War
II
had
a
different
experience.
A.?will?find??????????????????????????B.?found??????????????????????????C.?had?found??????????????????????????D.?have?found
【答案】
A
【解析】一般将来时表将要发生的动作或情
(?http:?/??/?www.21cnjy.com?)况，在一般将来时的句子中，有时有表将来时间的状语，有时没有时间状语，这时要从意思上判断是否指未来的动作或情况，句意：当你通读这本书的时候，你将会发现成千上万的经历过二战的每个人都有不同的经历，根据句意，判断主语的时态为一般将来时，故选A
15.In
my
hometown,
th
(?http:?/??/?www.21cnjy.com?)ere
is
always
a
harvest
supper
for
the
farmers
after
all
the
wheat
____
cut.
A.?will
have
been???????????????????????????B.?will
be???????????????????????????C.?was???????????????????????????D.?has
been
【答案】
D
【解析】?
句意：在我的家乡，麦子丰收过
(?http:?/??/?www.21cnjy.com?)后农民会有一个庆祝晚餐。现在完成时表示动作已经完成，才会举行庆祝活动，故选D项。
?
【总结】现在完成时由“have/has+过去分词”构成，主要有两个含义：
①表示动作发生在过去，但与现在的情况有联系，有时无时间状语，有时和一些表示不确定的过去时间状语连用②表示从过去某一时间开始一直延续到现在并还可能继续延续下去的动作，用于延续性动词，且句中常带有表示段时间时间状语。
16.If
you
miss
this
chance,
it
may
be
years
____
you
get
another
one.
A.?As????????????????????????????????????B.?before????????????????????????????????????C.?since????????????????????????????????????D.?after
【答案】
B
【解析】?As因为了before之前;s
(?http:?/??/?www.21cnjy.com?)ince由于；after之后；句意：如果你错过这次机会，可能要等多年后才会再有。It
be
时间段before...表示要…多久才会…，故选B项。
?
【总结】连词的辨析一直都是选
(?http:?/??/?www.21cnjy.com?)择题的重点，用法灵活，故切入点就是当时的语境即句意所提供的场景，来判断句子之间的隶属关系；It＋will
be＋加＋时间段＋before等表示"在......之后......才＂的句型总结一、用于句型“It＋will
be＋时间段＋before...”句型中，表示“要过多久才...”，也可用于It＋may
be＋时间段＋before...”表示“也许要过多久才......”。Before后的句子中一般现在时态。其否定形式lt
will/would
not
be
＋时间段＋before...”表示“不久就......，过不了多久就......”。【来源：21·世纪·教育·网】
17.While
watching
television,
____.
A.?the
doorbell
rang?????????????????????????????????????????????
B.?we
heard
the
doorbell
ring
C.?there
was
someone
knocking
at
the
door?????
D.?the
doorbell
was
ringing
【答案】
B
【解析】这题考查状语从句的
(?http:?/??/?www.21cnjy.com?)省略式，由前面的While
watching
television可知省略了sb
was，所以几个选项中，选主语是人的就可以了，所以B正确，句意是：当看电视时，我们听到门铃响了。选B。
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21世纪教育网(www.21cnjy.com)中小学教育资源及组卷应用平台
考点04
时间状语从句
（一轮复习）
1.The
little
bo
(?http:?/??/?www.21cnjy.com?)y
that
got
my
lost
telephone
returned,
left
___________I
could
ask
for
their
names.
A.?before??????????????????????????????????B.?while??????????????????????????????????C.?after??????????????????????????????????D.?since
【答案】
A
【解析】句意：我还没有来得及问他的名字，归还
(?http:?/??/?www.21cnjy.com?)我手机的那个小孩就离开了。before“在.....之前，还没有来得及.....”；while“当.......时，然而”；after“在.....之后”；since“自从“。选A。
【总结】考查连词词义辨析，区分before；while；after；since的含义。
2.The
governm
(?http:?/??/?www.21cnjy.com?)ent
has
taken
some
methods
to
get
the
smog
decreased,
but
it
may
be
some
time
_____
the
situation
improves.
21世纪教育网版权所有
A.?since?????????????????????????????????B.?when?????????????????????????????????C.?unless?????????????????????????????????D.?before
【答案】
D
【解析】句意：政府已经采取了一些措施去解
(?http:?/??/?www.21cnjy.com?)决水的短缺问题，但是可能还要一段时间后情况才会有所好转。A.since”自从“；B.when”当….时候“；C.unless”除非“；D.before”在之前“。it
may/
will
be
+时间段+before
从句，固定句型，“还要一段时间才能…,选D。21cnjy.com
【总结】考查状语从句，以及固定句型it
may/
will
be
+时间段+before
从句。
3.Self-driving
v
(?http:?/??/?www.21cnjy.com?)ehicles
still
have
a
long
way
to
go
???????they
can
reach
the
mass
production
stage.
A.?when???????????????????????????????????B.?since???????????????????????????????????C.?as???????????????????????????????????D.?before
【答案】
D
【解析】句意：
自驾汽车达到
(?http:?/??/?www.21cnjy.com?)大批量生产阶段还有很长的路要走，when,
"在.....时，?
既然";since"自从，因为，
既然，自从.....以来”；as
“由于，同时，当......时,尽管”；before“在......之前，要多久才......”。故选D。www.21-cn-jy.com
【总结】考查连词辨析，本题涉及before引导的时间状语从句的应用。
4.It
was
________
the
exam
results
were
given
out
________
a
large
amount
of
time
on
computer
games.
2·1·c·n·j·y
A.?not
until;
did
the
boy
begin
to
regret
having
wasted?????????【来源：21·世纪·教育·网】
B.?until;
that
the
boy
didn't
begin
to
regret
having
wasted
C.?not
until;
that
the
boy
began
to
regret
wasting?????????21·世纪
教育网
D.?until;
did
the
boy
not
begin
to
regret
wasting
【答案】
C
【解析】考查not...until的强调句
(?http:?/??/?www.21cnjy.com?)型。句意：直到考试结果发布，这个男孩开始后悔将大量的时间花在电脑游戏上。not
until的强调句式：It
is
/
was
not
until...that...故选C。
【总结】本题考查考生在理解句义的基础上，进一步牢固掌握not…
until…句式的含义和用法。
5.—Did
Jack
come
back
early
last
night?
—Yes!It
was
not
yet
8
o'clock______he
arrived
home.www-2-1-cnjy-com
A.?when???????????????????????????????????B.?that???????????????????????????????????C.?before???????????????????????????????????D.?but
【答案】
A
【解析】考查连词。句意：——Ja
(?http:?/??/?www.21cnjy.com?)ck昨晚回家早吗？——是的，当他到家的时候还不到八点钟。when“当...…的时候”，引导时间状语从句。故选A。【来源：21cnj
y.co
m】
【总结】本题要求考生在理解句义的基础上，进一步牢固掌握时间状语从句的用法。
6.Her
parents
req
(?http:?/??/?www.21cnjy.com?)uire
that
she
?
?
?
???
her
homework
before
she________TV.21教育名师原创作品
A.?will
finish;
watches????????B.?finishes;
watches????????C.?finish;
watches????????D.?finishes;
will
watch
【答案】C
【解析】考查require后的宾语从句和时间
(?http:?/??/?www.21cnjy.com?)状语从句。句意：她的父母要求她完成作业后再看电视。require后的宾语从句用should
＋动词原形，其中should
可以省略，第一空填finish；在宾语从句中，含有before引导的时间状语从句，主句是should
＋动词原形，则从句用一般现在时态，she是单数第三人称，故第二空填watches。由此可知答案为C。
【总结】本题要求考生在理解句义的基础上，进一步牢固掌握equire后的宾语从句和时间状语从句的用法。
7.Some
passengers
w
(?http:?/??/?www.21cnjy.com?)ere
walking
through
the
big
halls
at
Paris'
Airport______
the
whole
root
fell
down.
A.?while????????????????????????????????B.?when????????????????????????????????C.?as
soon
as????????????????????????????????D.?after
【答案】
B
【解析】考查时间状语从句。句意：一些乘客正经
(?http:?/??/?www.21cnjy.com?)过巴黎戴高乐机场的其中一个大厅时，突然大厅的整个顶部全掉落了下来。be
doing
sth...when...固定句式,”当......正发生时,另外一件事发生了,“与此句型意思相同的其他句型有be
on
the
point
of
doing
sth/be
about
to
do
sth...when...故选B。
【总结】本题要求考生在理解句义的基础上，进一步牢固掌握be
doing
sth...when...句型的含义和用法。
8.How
can
you
say
y
(?http:?/??/?www.21cnjy.com?)ou
don't
like
something
________
you've
never
even
tried
it!
A.?while???????????????????????????????B.?when???????????????????????????????C.?whenever???????????????????????????????D.?though
【答案】
B
【解析】考查连词。句意：你怎么能说你不
(?http:?/??/?www.21cnjy.com?)喜欢你从未尝试的东西呢？A.
while”然而，当……时“；B.
when”当……时候“；C.
whenever”无论何时“；D.
though”虽然，尽管“。此处指当你从来没尝试时，while一般和延续性动词、进行时连用。故选B。
【总结】本题要求考生在理解句义的基础上，进一步牢固掌握各种状语从句的含义和使用环境。
9.I
don't
know
(?http:?/??/?www.21cnjy.com?)
if
it______tomorrow.If
it______tomorrow,my
friends
and
I
will
go
to
the
cinema.
A.?rains...rain
(?http:?/??/?www.21cnjy.com?)s???????????????B.?will
rain...will
rain???????????????C.?rains...will
rain???????????????D.?will
rain...rains
【答案】
D
【解析】考查时态。句意：
(?http:?/??/?www.21cnjy.com?)我不知道明天是否会下雨。如果明天下雨的话，我和我的朋友就去看电影。第一空宾语从句中有时间状语tomorrow，因此要用一般将来时态，第二空考查主句是一般将来时，if条件句应用一般现在时态表将来。故选D。
【总结】本题要求考生在理解句义的基础上，进一步牢固掌握宾语从句和条件状语从句的用法，本题涉及一般现在时和一般将来时的考查。
10.He
is
writing
a
(?http:?/??/?www.21cnjy.com?)
book
about
new
discoveries
in
science.
I
am
sure,
_________
it
is
printed,
this
book
will
be
very
popular.
A.?once???????????????????????????????B.?while???????????????????????????????C.?now
that???????????????????????????????D.?though
【答案】
A
【解析】句意：他正在写一本关于科学新发现的
(?http:?/??/?www.21cnjy.com?)书。我确定，一旦这本书被出版，一定会非常受欢迎。A.
once一旦；B.
while而，虽然，在…期间，与…同时；C.
now
that既然；D.
though尽管。根据句意可知选A。
11.It
________
long
before
we
________
the
result
of
the
experiment.
A.?will
not
be;
will
(?http:?/??/?www.21cnjy.com?)know??????????????B.?is;
will
know??????????????C.?will
not
be;
know??????????????D.?is
know
【答案】
C
【解析】句意：不久我们就会知道实
(?http:?/??/?www.21cnjy.com?)验的结果。
It
be+
一段时间
+before从句。固定句式。“一段时间以后某事才发生”。before从句里用一般现在时代替将来时，主句用将来时。故选C。
【总结】考查时态，本题涉及一般将来时和一般现在时，以及固定句式“It
be
+一段时间+
before从句”【出处：21教育名师】
12.______,
we
know
each
other
well.
A.?As
time
going
on??????B.?With
time
goes
on??????C.?With
time
to
go
on??????D.?As
time
goes
on
【答案】
D
【解析】句意：随着时间的
(?http:?/??/?www.21cnjy.com?)推移，我们彼此很了解。此处as“随着”，引导时间状语从句；with
time
going
on是with的独立主格结构。故选D。
【总结】考查状语从句，本题涉及as引导的时间状语从句。21
cnjy
com
13.She
was
on
the
poin
(?http:?/??/?www.21cnjy.com?)t
of
going
out
_________
the
telephone
rang.
A.?while????????????????????????????????B.?when????????????????????????????????C.?as????????????????????????????????D.?the
moment
【答案】
B
【解析】句意：他正准备出门的时候，突然电话
(?http:?/??/?www.21cnjy.com?)响了。be
about
to
do
...when...固定句式，“正要做某事的时候，突然......”，强调另一个动作的突然性，故选B。
【总结】考查时间状语从句，以及固定句式be
about
to
do
...
when...。
14.Tom
was
about
to
c
(?http:?/??/?www.21cnjy.com?)lose
the
window
???his
attention
was
caught
by
a
bird.
A.?when???????????????????????????????????????B.?if???????????????????????????????????????C.?and???????????????????????????????????????D.?till
【答案】
A
【解析】句意：汤姆正要关上窗户
(?http:?/??/?www.21cnjy.com?)，就在这时一只鸟引起了他的注意。...be
about
to
do...when...”固定句式，“......正要做......，这时.....”，when作并列连词，相当于and
at
that
time，故选A。
【总结】考查状语从句，本题涉及when引导的时间状语从句，以及固定句式“...be
about
to
do...when...”。2-1-c-n-j-y
15.—Was
it
under
the
t
(?http:?/??/?www.21cnjy.com?)ree
_______
you
were
away
talking
to
a
friend?
—
Sure.
But
when
I
get
back
there,
the
car
was
gone.
A.?that??????????????????????????????????B.?where??????????????????????????????????C.?which??????????????????????????????????D.?while
【答案】
D
【解析】句意：——当你去和朋友谈话的时候
(?http:?/??/?www.21cnjy.com?)，自行车是在大树下下面吗？——当然。但是当我回到那里的时候，自行车以后不见了。本句中的it是一个代词，指代the
car，根据句意是while引导的时间状语从句，故选D。
【总结】考查状语从句，本题涉及while引导的时间状语从句。21教育网
16.______,
a
small
adv
(?http:?/??/?www.21cnjy.com?)ertisement
held
my
attention,
which
read
"Easy
job．Good
wages.
No
experience
necessary."
A.?Looking
through
the
newspaper???????????????????B.?While
I
was
looking
through
the
newspaper
C.?To
look
through
the
newspaper?????????????????????D.?I
was
looking
through
the
newspaper
【答案】
B
【解析】句意：?当我在看
(?http:?/??/?www.21cnjy.com?)报纸的时候,一则小广告吸引了我的注意力,上面写着”轻松的工作，丰厚的薪水，不需要经验”。非谓语动词作状语时，动词的逻辑主语必须和主句的主语一致，而这道题主句的主语是a
small
advertisement，而look
through的逻辑主语应该是人，所以不能用非谓语动词，而应该选时间状语从句。故选B。
【总结】考查状语从句，本题涉及while引导的时间状语从句。
17.We
were
having
din
(?http:?/??/?www.21cnjy.com?)ner
_______
there
was
a
knock
on
the
door.
A.?when????????????????????????????????????B.?while????????????????????????????????????C.?as????????????????????????????????????D.?then
【答案】
A
【解析】句意：我们正在吃饭时
(?http:?/??/?www.21cnjy.com?)，有人敲门。be
doing
...when
...固定短语，“正在做......，这时......”，故选A。
【总结】考查状语从句，本题涉及when引导的时间状语从句，以及固定句式be
doing
...when
...。
18.It's
ten
ye
(?http:?/??/?www.21cnjy.com?)ars
_________
the
scientist
set
out
to
discover
the
valuable
chemical.
A.?when??????????????????????????????????B.?that??????????????????????????????????C.?before??????????????????????????????????D.?since
【答案】
D
【解析】句意：科学家已经
(?http:?/??/?www.21cnjy.com?)十年没有开始发现这种有价值的化学物质了。It's
+时间段+since从句，从句的谓语动词用一般过去时，故选D。
【总结】考查状语从句，本题涉及since引导的时间状语从句。【版权所有：21教育】
19.______
I
we
(?http:?/??/?www.21cnjy.com?)nt
to
London,
I
was
impressed
by
its
beauty.
A.?The
first
time?????????????????B.?At
first?????????????????C.?For
the
first
time?????????????????D.?At
the
first
time
【答案】
A
【解析】句意：我第一次去伦敦时，它的美丽给
(?http:?/??/?www.21cnjy.com?)我留下了深刻的印象。?
?the
first
time
＋从句，意为
“……
的时候
”
，符合句意。
for
the
first
time
“
第一次，首次
”
，在句中作时间状语；
It
is/was
the
first
time
(that)
．
..
句型中，
that
从句要用完成时态；
at
first
“
首先，最初
”
。此处是the
first
time
引导的时间状语从句，故选A。
【总结】考查状语从句，区分
the
first
time
；
at
first
；
for
the
first
time
和
at
the
first
time的含义和应用，以及the
first
time引导的时间状语从句。21
cnjy
com
20.Most
peopl
(?http:?/??/?www.21cnjy.com?)e
quit
________
any
results
appear;
they
give
up
too
soon
and
a
quitter
never
wins.
A.?while??????????????????????????????????B.?until??????????????????????????????????C.?since??????????????????????????????????D.?before
【答案】
D
【解析】句意：大多数人在任何
(?http:?/??/?www.21cnjy.com?)结果出现之前就放弃了;他们放弃得太早，放弃的人永远不会成功。A.
while“当……时候”；B.
until“直到……”；C.
since“自从……以来”；D.
before
“在……之前”。根据下文的“they
give
up
too
soon”太快放弃可知，大多数人是在结果出现之前就放弃了。故选D。
【总结】考查状语从句，本题涉及before引导的时间状语从句。21·cn·jy·com
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21世纪教育网(www.21cnjy.com)中小学教育资源及组卷应用平台
考点04
时间状语从句
（一轮复习）
1.The
little
boy
tha
(?http:?/??/?www.21cnjy.com?)t
got
my
lost
telephone
returned,
left
___________I
could
ask
for
their
names.
A.?before??????????????????????????????????B.?while??????????????????????????????????C.?after??????????????????????????????????D.?since
2.The
government
has
(?http:?/??/?www.21cnjy.com?)
taken
some
methods
to
get
the
smog
decreased,
but
it
may
be
some
time
_____
the
situation
improves.
21世纪教育网版权所有
A.?since?????????????????????????????????B.?when?????????????????????????????????C.?unless?????????????????????????????????D.?before
3.Self-driving
ve
(?http:?/??/?www.21cnjy.com?)hicles
still
have
a
long
way
to
go
???????they
can
reach
the
mass
production
stage.
A.?when???????????????????????????????????B.?since???????????????????????????????????C.?as???????????????????????????????????D.?before
4.It
was
________
the
exam
results
were
given
out
________
a
large
amount
of
time
on
computer
games.
21cnjy.com
A.?not
until;
did
the
boy
begin
to
regret
having
wasted?????????2·1·c·n·j·y
B.?until;
that
the
boy
didn't
begin
to
regret
having
wasted
C.?not
until;
that
the
boy
began
to
regret
wasting?????????【来源：21·世纪·教育·网】
D.?until;
did
the
boy
not
begin
to
regret
wasting
5.—Did
Jack
come
back
early
last
night?
—Yes!It
was
not
yet
8
o'clock______he
arrived
home.www.21-cn-jy.com
A.?when???????????????????????????????????B.?that???????????????????????????????????C.?before???????????????????????????????????D.?but
6.Her
parents
re
(?http:?/??/?www.21cnjy.com?)quire
that
she
?
?
?
???
her
homework
before
she________TV.21·世纪
教育网
A.?will
finish;
watches????????B.?finishes;
watches????????www-2-1-cnjy-com
C.?finish;
watches????????
D.?finishes;
will
watch21
cnjy
com
7.Some
passengers
were
(?http:?/??/?www.21cnjy.com?)
walking
through
the
big
halls
at
Paris'
Airport______
the
whole
root
fell
down.
【来源：21cnj
y.co
m】
A.?while????????????????????????????????
B.?when????????????????????????????????【出处：21教育名师】
C.?as
soon
as????????????????????????????????D.?after【版权所有：21教育】
8.How
can
you
say
(?http:?/??/?www.21cnjy.com?)you
don't
like
something
________
you've
never
even
tried
it!
A.?while???????????????????????????????
B.?when???????????????????????????????21
cnjy
com
C.?whenever???????????????????????????????D.?though
9.I
don't
know
if
(?http:?/??/?www.21cnjy.com?)
it______tomorrow.If
it______tomorrow,my
friends
and
I
will
go
to
the
cinema.
A.?rains...rains??
(?http:?/??/?www.21cnjy.com?)?????????????B.?will
rain...will
rain???????????????C.?rains...will
rain???????????????D.?will
rain...rains
10.He
is
wri
(?http:?/??/?www.21cnjy.com?)ting
a
book
about
new
discoveries
in
science.
I
am
sure,
_________
it
is
printed,
this
book
will
be
very
popular.
A.?once???????????????????????????????B.?while???????????????????????????????C.?now
that???????????????????????????????D.?though
11.It
________
long
before
we
________
the
result
of
the
experiment.
A.?will
not
be;
will
(?http:?/??/?www.21cnjy.com?)
know??????????????B.?is;
will
know??????????????C.?will
not
be;
know??????????????D.?is
know
12.______,
we
know
each
other
well.
A.?As
time
going
on??????B.?With
time
goes
on??????C.?With
time
to
go
on??????D.?As
time
goes
on
13.She
was
on
the
p
(?http:?/??/?www.21cnjy.com?)oint
of
going
out
_________
the
telephone
rang.
A.?while????????????????????????????????B.?when????????????????????????????????C.?as????????????????????????????????D.?the
moment
14.Tom
was
about
to
(?http:?/??/?www.21cnjy.com?)close
the
window
???his
attention
was
caught
by
a
bird.
A.?when???????????????????????????????????????B.?if???????????????????????????????????????C.?and???????????????????????????????????????D.?till
do...when...”。
15.—Was
it
under
th
(?http:?/??/?www.21cnjy.com?)e
tree
_______
you
were
away
talking
to
a
friend?
21·cn·jy·com
—
Sure.
But
when
I
get
back
there,
the
car
was
gone.2-1-c-n-j-y
A.?that??????????????????????????????????B.?where??????????????????????????????????C.?which??????????????????????????????????D.?while
16.______,
a
small
(?http:?/??/?www.21cnjy.com?)advertisement
held
my
attention,
which
read
"Easy
job．Good
wages.
No
experience
necessary."
21教育网
A.?Looking
through
the
newspaper???????????????????21教育名师原创作品
B.?While
I
was
looking
through
the
newspaper
C.?To
look
through
the
newspaper?????????????????????
D.?I
was
looking
through
the
newspaper
17.We
were
having
di
(?http:?/??/?www.21cnjy.com?)nner
_______
there
was
a
knock
on
the
door.
A.?when????????????????????????????????????B.?while????????????????????????????????????C.?as????????????????????????????????????D.?then
18.It's
ten
years
_________
the
scientist
set
out
to
discover
the
valuable
chemical.
A.?when??????????????????????????????????B.?that??????????????????????????????????C.?before??????????????????????????????????D.?since
19.______
I
went
to
(?http:?/??/?www.21cnjy.com?)
London,
I
was
impressed
by
its
beauty.
A.?The
first
time?????????????????B.?At
first?????????????????C.?For
the
first
time?????????????????D.?At
the
first
time
20.Most
people
qu
(?http:?/??/?www.21cnjy.com?)it
________
any
results
appear;
they
give
up
too
soon
and
a
quitter
never
wins.
A.?while??????????????????????????????????B.?until??????????????????????????????????C.?since??????????????????????????????????D.?before
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考点03
时间状语从句
（一轮复习）
1.It
________
long
be
(?http:?/??/?www.21cnjy.com?)fore
they
________
the
condition
of
the
patient
in
the
hospital.
A.?will
not
be;
(?http:?/??/?www.21cnjy.com?)
will
know??????????????B.?is;
will
know??????????????C.?will
not
be;
know??????????????D.?is
know
2.______,
we
are
familiar
with
each
other
very
well.
21世纪教育网版权所有
A.?As
time
going
on??????B.?With
time
goes
on??????C.?With
time
to
go
on??????D.?As
time
goes
on
3.She
was
on
the
po
(?http:?/??/?www.21cnjy.com?)int
of
going
out
_________
the
telephone
rang.
A.?while????????????????????????????????B.?when????????????????????????????????C.?as????????????????????????????????D.?the
moment
4.Tom
was
ab
(?http:?/??/?www.21cnjy.com?)out
to
close
the
window
???his
attention
was
caught
by
a
bird.
A.?when???????????????????????????????????????B.?if???????????????????????????????????????C.?and???????????????????????????????????????D.?till
5.—Was
it
under
the
tree
_______
you
were
away
talking
to
a
friend?
21教育网
—
Sure.
But
when
I
get
back
there,
the
car
was
gone.21cnjy.com
A.?that??????????????????????????????????B.?where??????????????????????????????????C.?which??????????????????????????????????D.?while
6.______,
a
sma
(?http:?/??/?www.21cnjy.com?)ll
advertisement
held
my
attention,
which
read
"Easy
job．Good
wages.
No
experience
necessary."
21·cn·jy·com
A.?Looking
through
the
newspaper???????????????????B.?While
I
was
looking
through
the
newspaper
C.?To
look
through
the
newspaper?????????????????????D.?I
was
looking
through
the
newspaper
7.We
were
having
(?http:?/??/?www.21cnjy.com?)
dinner
_______
there
was
a
knock
on
the
door.
A.?when????????????????????????????????????B.?while????????????????????????????????????C.?as????????????????????????????????????D.?then
8.It's
ten
years
_________
the
scientist
set
out
to
discover
the
valuable
chemical.
A.?when??????????????????????????????????B.?that??????????????????????????????????C.?before??????????????????????????????????D.?since
9.______
I
went
to
London,
I
was
impressed
by
its
beauty.
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A.?The
first
time?????????????????B.?At
first?????????????????C.?For
the
first
time?????????????????D.?At
the
first
time
10.Most
people
qui
(?http:?/??/?www.21cnjy.com?)t
________
any
results
appear;
they
give
up
too
soon
and
a
quitter
never
wins.
A.?while??????????????????????????????????B.?until??????????????????????????????????C.?since??????????????????????????????????D.?before
11.There?is?on
(?http:?/??/?www.21cnjy.com?)ly?one?more?day?to?go
_____
your?favorite?music?group?play?live.
A.?since??????????????????????????????????B.?until??????????????????????????????????C.?when??????????????????????????????????D.?before
12.We
need
to
get
to
the
root
of
the
problem______
we
can
solve
it.【来源：21·世纪·教育·网】
A.?while????????????????????????????????????B.?after????????????????????????????????????C.?before????????????????????????????????????D.?as
13.I?wasn't?able?
(?http:?/??/?www.21cnjy.com?)to?hide?my?eagerness?when?I?________,?"What?do?you?wish?me?to?do?now?"
A.?ask?????????????????????????????B.??have?asked?????????????????????????????C.?am?asking?????????????????????????????D.?asked
14.As
you
go
thro
(?http:?/??/?www.21cnjy.com?)ugh
this
book,
you
________
that
each
of
the
millions
of
people
who
lived
through
World
War
II
had
a
different
experience.21·世纪
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A.?will?find??????????????????????????B.?found??????????????????????????C.?had?found??????????????????????????D.?have?found
15.In
my
hometown,
th
(?http:?/??/?www.21cnjy.com?)ere
is
always
a
harvest
supper
for
the
farmers
after
all
the
wheat
____
cut.
A.?will
have
been???????????????????????????B.?will
be???????????????????????????C.?was???????????????????????????D.?has
been
16.If
you
miss
this
chance,
it
may
be
years
____
you
get
another
one.www-2-1-cnjy-com
A.?As????????????????????????????????????B.?before????????????????????????????????????C.?since????????????????????????????????????D.?after
17.While
watching
television,
____.
A.?the
doorbell
rang?????????????????????????????????????????????
2·1·c·n·j·y
B.?we
heard
the
doorbell
ring
C.?there
was
someone
knocking
at
the
door?????
2-1-c-n-j-y
D.?the
doorbell
was
ringing
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