人教版（2019）必修 第二册Unit 2 Wildlife protection语法专项同步练习（含答案）
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Unit2 Wildlife Protection 语法专项（同步练习）-高中英语人教版（2019）必修第二册
学校：___________姓名：___________班级：___________考号：___________
一、语法填空
1、Illegal hunting ___________ (investigate, 正在被调查) by the authorities to protect endangered species.
2、Some wild animals have become endangered and their habitats ___________ (threaten, 正在受到威胁), too.
3、Some wild animals are endangered and their habitats __________ (threaten, 已经受到了威胁).
4、Wild animals ______________ (illegally hunt, 正在被非法猎杀) by some hunters, leading to a mass extinction of them.
5、Effective measures ____________ (take, 正在被采取) by the authorities to protect these creatures.
6、According to WWF, an average of more than 150 species _________ (become, 正在变得) extinct every day in the world.
7、This problem has concerned people very much, and emotions of alarm _______________ (stir up, 正在被激发) .
8、Under pressure, ways _______________ (find, 正在被寻找) by hunters to make a living.
9、Hunting wild animals _______________ (stop, 必须被停止) immediately.
10、Posters _______________ (put up, 正在被张贴) in the nature reserve that read: Stop hunting immediately!
11、This nature reserve _______________ (intend, 被准备) for giant pandas；it will
12、In the habitats, the daily activities of wild animals _______________ (observe,正在受到观察) day and night.
13、On the plain in front of us, we can just make out that a herd of sheep _______________ (drive, 正在被追赶) by a wolf.
14、Whales are very large mammals in the sea. They _______________ (hunt, 正在被猎杀) by fishermen.
15、Beauty is the state or quality of being beautiful, and it _______________ (find, 可以被发现) in our daily life.be their habitat.
16、Why on earth ______ these animals _______________ (shoot, 正在被射杀) by hunters
17、These traps _______________ (remove, 正在被拆除) by volunteers to protect animals from being attacked.
18、Human beings _______________ (force, 正在被迫使) to be aware of the importance of harmony between man and nature.
19、This net is dangerous to insects. It _______________ (remove, 必须拆除) immediately.
20、Now their numbers _______________ (reduce, 正在减少) due to too much hunting.
21、There is a wildlife habitat in the neighbourhood, which _______________ (visit, 正被参观中) by some students.
22、You _______________ (watch over, 正在被照看) now. Have you recovered from your disease
23、This kind of dolphin is unusual with blue skin. It _______________ (show, 正在被展示) now.
24、The students ______ often ______ (tell)to take care of their desks and chairs.
25、That play _______________ (put) on again sometime next month.
26、The old man is ill. He ______________ (must take)to the hospital at once.
27、Vegetables, eggs and fruits ____________ (sell)in this shop.
28、—What ______ a knife ______ (make)of
—It __________ (make)of metal and wood.
29、A piano concert __________ (give)here last Friday.
30、______ the magazine __________ (can take)out of the library
31、The room _______________ (clean)by the girls every day.
32、______ the stars __________ (can see) in the daytime
33、The flowers _______________ (water)by Li Ming already.
34、These kinds of machines __________ (produce) in Japan.
35、Apples _______________ (grow)in this farm.
36、Russian __________ (learn) as a second language by some students in China.
37、Planes, cars and trains __________ (use)by business people for travelling.
38、The cinema __________ (build) in 1985.
39、Cars _______________ (must not park) here.
40、A beautiful horse __________ (draw)by John the other day.
41、This kind of computer _______________ (can make) in this company.
42、The book __________ (print) now and will come out soon.
43、The PLA __________ (found)on August 1st, 1927.
二、句型转换
44、用被动语态改写句子, 每空一词。
We can finish the work in two days.
The work ______ ______ ______ in two days.
45、用被动语态改写句子, 每空一词。
They produce silk in Suzhou.
Silk ______ ______ in Suzhou.
46、用被动语态改写句子, 每空一词。
The children will sing an English song.
An English song ______ ______ ______ by the children.
47、用被动语态改写句子, 每空一词。
You needn't do it now.
It ______ ______ ______ by you now.
48、用被动语态改写句子, 每空一词。
Lucy sent me a New Year's card last week.
A New Year's card ______ ______ ______ me by Lucy last week.
49、用被动语态改写句子, 每空一词。
People use metal for making machines.
Metal ______ ______ for making machines.
50、用被动语态改写句子, 每空一词。
He made me do that for him.
I ______ ______ ______ ______ that for him.
51、用被动语态改写句子, 每空一词。
I have given this book to the library.
This book ______ ______ ______ to the library by me.
52、用被动语态改写句子, 每空一词。
Did they build a bridge here a year ago
______ a bridge ______ here by them a year ago
53、用被动语态改写句子, 每空一词。
We'll put on an English play in our school.
An English play ______ ______ ______ on in our school.
54、用被动语态改写句子, 每空一词。
More and more farmers bought colour TV sets.
Colour TV sets ______ ______ ______ more and more farmers.
55、用被动语态改写句子, 每空一词。
My brother often mends his watch.
His watch ______ ______ ______ by my brother.
56、用被动语态改写句子, 每空一词。
We must water the flowers every day.
The flowers must ______ ______ every day.
57、用被动语态改写句子, 每空一词。
They use knives for cutting things.
Knives ______ ______ for cutting things.
58、用被动语态改写句子, 每空一词。
He made the farmers work for a long time.
The farmers ______ ______ ______ ______ by him for a long time.
59、用被动语态改写句子, 每空一词。
Did he break the window yesterday
______ the window ______ ______ ______ yesterday
60、用被动语态改写句子, 每空一词。
They have sold out the light green dresses.
The light green dresses ______ ______ ______ out by them.
61、用被动语态改写句子, 每空一词。
We clean the classroom every day.
The classroom ______ ______ by us every day.
62、用被动语态改写句子, 每空一词。
You must not plant trees in very dry earth.
Trees ______ ______ ______ ______ in very dry earth.
63、用被动语态改写句子, 每空一词。
You can dig a hole in the earth.
A hole ______ ______ ______ in the earth.
三、短文填空
64、语篇填空 (用适当的时态和语态完成这篇短文)
We have an old musical instrument. It ①_____ (call) a clavichord (古钢琴) .It ②_____ (make) in Germany in 1681. Our clavichord ③_____ (keep) in the living room. It ④_____ (belong) to our family for a longtime. The instrument ⑤_____ (buy)by my grandfather many years ago. Recently it ⑥_____ (damage) by a visitor. She tried to play jazz on it! She struck the keys too hard and two of the strings ⑦_____ (break). My father ⑧_____ (shock). Now we ⑨_____ (not allow) to touch it. It ⑩______ (repair) by a friend of my father now.
参考答案
1、答案：is being investigated
解析：根据汉语提示，“调查”译为investigate,动词，句子主语与动词之间是被动关系，应用被动语态，结合句意“非法狩猎正在被当局调查以窥探濒危物种”可知，句子应用现在进行时的被动语态，其构成为“am/is/are being done”，因主语为不可数名词，be动词要用is，故答案为：is being investigated。
2、答案：are being threatened
解析：空格为谓语动词，主语habitats（栖息地）和动词threaten(威胁）之间为被动关系，结合句意，可知动作正在进行，时态为现在进行时，主语为复数，谓语用are+being+过去分词。
3、答案：have been threatened
4、答案：are being illegally hunted
5、答案：are being taken
6、答案：are becoming
7、答案：are being stirred up
8、答案：are being found
9、答案：must be stopped
10、答案：are being put up
11、答案：is intended
12、答案：are being observed
13、答案：is being driven
14、答案：are being hunted
15、答案：can be found
16、答案：are,being shot
17、答案：are being removed
18、答案：are being forced
19、答案：must be removed
20、答案：are reducing
21、答案：is being visited.
22、答案：are being watched over
23、答案：is being shown
24、答案：are, told
解析：句意：学生们经常被告知要看护他们的桌椅.从often判断句子使用一般现在时，主语是动作的承受者，句子使用被动语态，一般现在时的被动语态的构成be+动词的过去分词。故填are told.
25、答案：will be put
解析：根据题干，可知主语和谓语动词之间为被动关系，其谓语动词结构为"be done"，根据next month,可知时态为一般将来时，故为一般将来时的被动语态，谓语动词结构为"will be done"；put的过去分词为"put"。故答案为：will be put。
26、答案：must be taken
解析：
27、答案：are sold
解析：句意：这家商店出售蔬菜、鸡蛋和水果.句子使用一般现在时，主语是动作的承受者，句子使用被动语态，一般现在时的被动语态的构成be+动词的过去分词。故填are sold.
28、答案：is, made; is made
解析：固定短语be made of+能看出的原材料，表示"由……制成"，变问句直接把be，提前，knife单数要用is。故填：is；made；is made
29、答案：was given
解析：答案：was given；考查单词填空.A piano concert做主语谓语动词要用单数，且和give之间是被动关系，再根据last Friday可知要用一般过去时.故填was given.
30、答案：Can, be taken
解析：句意：这本杂志可以带出图书馆吗？本题主语“the magazine”与谓语动词“take”之间是逻辑上的动宾关系；根据can可知，是含有情态动词can的被动语态，疑问句结构是：情态动词+主语+be+过去分词(+其他） 故填Can；be taken。
31、答案：is cleaned
解析：every day用于一般现在时，房间是被打扫，要用被动语态。一般现在时态的被动语态，room做主语，要用is+动词过去分词。故填：is cleaned。
32、答案：Can, be seen
解析：星星是“被”看见，用被动语态；又由句中的情态动词can't可知，用含有情态动词的被动语态，其构成为：can't+be+过去分词。see的过去分词是seen。故填can't be seen。句意：在白天,星星是不能被看到的。
33、答案：have been watered
解析：句意：李明已经给一些花浇水了。根据already可知是现在完成时态，结构为have/has done；主语flowers与谓语动词water之间为被动关系，即“花被浇水”；现在完成时的被动式为have/has been done；主语为复数形式，故填have been watered。
34、答案：are(were)produced
解析：
35、答案：are grown
解析：苹果是“被”种植，用一般现在时的被动语态，其构成为：am/is/are+过去分词。主语apples是复数名词,be动词用are；grow的过去分词是grown。故填are grown。句意：现在苹果被种植在这片农场上。
36、答案：is learnt
解析：解析：根据句意，“俄语”Russian是动词“学习”learn的承受者，故用被动语态，其结构为：be+动词的过去分词。又可以判断为一般现在时，主语Russian是单数，故be用is,而learn的过去分词为learnt.
37、答案：are used
解析：根据所给提示，句子缺少谓语，主语是Planes, cars and trains(飞机、汽车和火车），宾语是business people(商务人士)，句子缺少谓语，主语是复数，谓语也用复数，主语和谓语是被动关系，被动语态结构be+done,句子描述的是事实，所以时态是一般现在时，be动词用are,use的过去分词是used,所以填are used。
38、答案：was built
解析：电影院是被建立的，用被动语态。be动词+过去分词构成被动语态。1985年是过去的时间，主语cinema是单数名词，be动词用单数is的过去式was。build建立，过去分词是built。
39、答案：mustn't be parked
解析：
40、答案：was drawn
解析：
41、答案：can be made
42、答案：is being printed
解析：根据句意：这本书现在正在印刷，很快就会出版。可知：这本书是被印刷，要用被动语态，现在进行时的被动语态结构为：be being done，主语the book是单数,be动词用is, print：印刷,现在分词是printing,故填：is being printed。
43、答案：was founded
解析：中国人民解放军是“被”成立，用被动语态；又由时间状语on August 1st,1927可知，用一般过去时。综合以上两点可知，用一般过去时的被动语态，其构成为：was/were+过去分词。主语the PLA是单数名词，be动词用was；found的过去分词是founded。故填was founded。句意：中国人民解放军（被）成立于1927年8月1日。
44、答案：can be finished
解析：考查情态动词的被动语态。原句翻译为：这个工作能在两天内被完成。故答案为can be finished。
45、答案：is produced
解析：根据句型转换的要求，将主动语态变为被动语态时，将原句宾语silk变为主语，谓语动词变为is produced，主语变为由介词by引出作宾语。故填：is produced。
46、答案：will be sung
解析：考查主动语态变被动语态。被动语态的一般将来时态结构为：主语+will+be+动词的过去分词+其他。这里动词是sing，过去分词是sung，故答案是will be sung。
47、答案：needn't be done
解析：原句中含有情态动词needn't，故应改为含有情态动词的被动语态，其构成为needn't +be+过去分词。do的过去分词是done。故填needn't be done。句意：现在，它不需要被你做。
48、答案：was sent to
解析：考查被动语态，就是be动词+过去分词构成，根据sent可知时态是一般过去时，主语是单数形式,所以be动词用was, send过去分词是sent,给我，就是to me，注意加介词to，所以答案是was sent to.
49、答案：is used
解析：原句为一般现在时，故应改为一般现在时的被动语态，其构成为am/is/are+过去分词。主语metal是不可数名词，be动词用is,故填is used。句意：金属被用于制造机器。
50、答案：was made to do
解析：英语中，被动语态的结构是：be+v-pp，被动语态的句子还需要与原句时态保持一致，谓语动词的单复数形式也要与新主语保持一致，故谓语动词部分变为：was made。另外,make sb.do sth.结构在变为被动语态时，要还原其在主动结构中省略的to,故答案为was made to do。
51、答案：has been given
解析：原句为现在完成时，故应改为现在完成时的被动语态，其构成为：has/have+been+过去分词。主语this book是单数名词，助动词用has。故填has been given。句意：这本书被给图书馆了。
52、答案：Was, built
解析：根据句型转换要求，把主动态转换成被动态，先转成陈述句的被动态，即一座桥在一年前被建，主语变为a bridge,时间状语是a year ago，谓语变为was built,即A bridge was built here by them a year ago，再转为一般疑问句，即把系动词提前至主语前,即Was a bridge built here by them a year ago 故填：Was；built。
53、答案：will be put
解析：由will可知，原句为一般将来时，故应改为一般将来时的被动语态，其构成为：will be+过去分词。put的过去分词还是put,故填will be put。句意：一部英语短剧将在我们学校上演。
54、答案：were bought by
解析：
55、答案：is often mended
解析：根据句型转换的要求，将主动语态变为被动语态时，将原句宾语his watch变为主语，谓语动词变为is mended，主语变为由介词by引出作宾语。故填：is often mended。
56、答案：be watered
解析：根据题意，把本句变成被动语态，must必须，情态动词，被动语态结构是平台动词+be+动词过去分词，water浇水，过去分词是watered，所以是be watered.
57、答案：are used
解析：原句为一般现在时，故应改为一般现在时的被动语态，其构成为：am/is/are+过去分词。主语knives是复数名词，be动词用are；use的过去分词是used。故填are used。句意：刀被用来切东西。
58、答案：were made to work
解析：make接不带to的不定式作宾语补足语make sb.do sth.使某人做某事，在变成被动语态时要添加不定式符号to,成为sb.be made to do sth.
59、答案：Was,broken by him
解析：根据句型转换的要求，将主动语态变为被动语态时，将原句宾语the window变为主语，谓语动词变为was broken,因是一般疑问句，was要置于句首，主语变为由介词by引出作宾语。故填：Was；broken by him。
60、答案：have been sold
解析：根据句型转换要求，把主动态转换成被动态，即那件浅绿色的裙子已经被卖了。主语转换成the light green dress,谓语动词由现在完成时的主动have done转换成被动have been done,因主语是第三人称单数，故谓语转换成has been sold。故填：has been sold。
61、答案：is cleaned
解析：原句为一般现在时，故应改为一般现在时的被动语态，其构成为：am/is/are+过去分词。主语the classroom是单数名词,be动词用is；clean的过去分词是cleaned。故填is cleaned。句意：教室每天被打扫。
62、答案：must not be planted
解析：
63、答案：can be dug
解析：原句中含有情态动词can，故应改为含有情态动词的被动语态，其构成为：can+be+过去分词。dig的过去分词是dug。故填can be dug。
64、答案：is called；was made；is kept ；has belonged；was bought；was damaged；were broken；was shocked ；are not allowed；is being repaired
学校：___________姓名：___________班级：___________考号：___________
一、语法填空
1、Illegal hunting ___________ (investigate, 正在被调查) by the authorities to protect endangered species.
2、Some wild animals have become endangered and their habitats ___________ (threaten, 正在受到威胁), too.
3、Some wild animals are endangered and their habitats __________ (threaten, 已经受到了威胁).
4、Wild animals ______________ (illegally hunt, 正在被非法猎杀) by some hunters, leading to a mass extinction of them.
5、Effective measures ____________ (take, 正在被采取) by the authorities to protect these creatures.
6、According to WWF, an average of more than 150 species _________ (become, 正在变得) extinct every day in the world.
7、This problem has concerned people very much, and emotions of alarm _______________ (stir up, 正在被激发) .
8、Under pressure, ways _______________ (find, 正在被寻找) by hunters to make a living.
9、Hunting wild animals _______________ (stop, 必须被停止) immediately.
10、Posters _______________ (put up, 正在被张贴) in the nature reserve that read: Stop hunting immediately!
11、This nature reserve _______________ (intend, 被准备) for giant pandas；it will
12、In the habitats, the daily activities of wild animals _______________ (observe,正在受到观察) day and night.
13、On the plain in front of us, we can just make out that a herd of sheep _______________ (drive, 正在被追赶) by a wolf.
14、Whales are very large mammals in the sea. They _______________ (hunt, 正在被猎杀) by fishermen.
15、Beauty is the state or quality of being beautiful, and it _______________ (find, 可以被发现) in our daily life.be their habitat.
16、Why on earth ______ these animals _______________ (shoot, 正在被射杀) by hunters
17、These traps _______________ (remove, 正在被拆除) by volunteers to protect animals from being attacked.
18、Human beings _______________ (force, 正在被迫使) to be aware of the importance of harmony between man and nature.
19、This net is dangerous to insects. It _______________ (remove, 必须拆除) immediately.
20、Now their numbers _______________ (reduce, 正在减少) due to too much hunting.
21、There is a wildlife habitat in the neighbourhood, which _______________ (visit, 正被参观中) by some students.
22、You _______________ (watch over, 正在被照看) now. Have you recovered from your disease
23、This kind of dolphin is unusual with blue skin. It _______________ (show, 正在被展示) now.
24、The students ______ often ______ (tell)to take care of their desks and chairs.
25、That play _______________ (put) on again sometime next month.
26、The old man is ill. He ______________ (must take)to the hospital at once.
27、Vegetables, eggs and fruits ____________ (sell)in this shop.
28、—What ______ a knife ______ (make)of
—It __________ (make)of metal and wood.
29、A piano concert __________ (give)here last Friday.
30、______ the magazine __________ (can take)out of the library
31、The room _______________ (clean)by the girls every day.
32、______ the stars __________ (can see) in the daytime
33、The flowers _______________ (water)by Li Ming already.
34、These kinds of machines __________ (produce) in Japan.
35、Apples _______________ (grow)in this farm.
36、Russian __________ (learn) as a second language by some students in China.
37、Planes, cars and trains __________ (use)by business people for travelling.
38、The cinema __________ (build) in 1985.
39、Cars _______________ (must not park) here.
40、A beautiful horse __________ (draw)by John the other day.
41、This kind of computer _______________ (can make) in this company.
42、The book __________ (print) now and will come out soon.
43、The PLA __________ (found)on August 1st, 1927.
二、句型转换
44、用被动语态改写句子, 每空一词。
We can finish the work in two days.
The work ______ ______ ______ in two days.
45、用被动语态改写句子, 每空一词。
They produce silk in Suzhou.
Silk ______ ______ in Suzhou.
46、用被动语态改写句子, 每空一词。
The children will sing an English song.
An English song ______ ______ ______ by the children.
47、用被动语态改写句子, 每空一词。
You needn't do it now.
It ______ ______ ______ by you now.
48、用被动语态改写句子, 每空一词。
Lucy sent me a New Year's card last week.
A New Year's card ______ ______ ______ me by Lucy last week.
49、用被动语态改写句子, 每空一词。
People use metal for making machines.
Metal ______ ______ for making machines.
50、用被动语态改写句子, 每空一词。
He made me do that for him.
I ______ ______ ______ ______ that for him.
51、用被动语态改写句子, 每空一词。
I have given this book to the library.
This book ______ ______ ______ to the library by me.
52、用被动语态改写句子, 每空一词。
Did they build a bridge here a year ago
______ a bridge ______ here by them a year ago
53、用被动语态改写句子, 每空一词。
We'll put on an English play in our school.
An English play ______ ______ ______ on in our school.
54、用被动语态改写句子, 每空一词。
More and more farmers bought colour TV sets.
Colour TV sets ______ ______ ______ more and more farmers.
55、用被动语态改写句子, 每空一词。
My brother often mends his watch.
His watch ______ ______ ______ by my brother.
56、用被动语态改写句子, 每空一词。
We must water the flowers every day.
The flowers must ______ ______ every day.
57、用被动语态改写句子, 每空一词。
They use knives for cutting things.
Knives ______ ______ for cutting things.
58、用被动语态改写句子, 每空一词。
He made the farmers work for a long time.
The farmers ______ ______ ______ ______ by him for a long time.
59、用被动语态改写句子, 每空一词。
Did he break the window yesterday
______ the window ______ ______ ______ yesterday
60、用被动语态改写句子, 每空一词。
They have sold out the light green dresses.
The light green dresses ______ ______ ______ out by them.
61、用被动语态改写句子, 每空一词。
We clean the classroom every day.
The classroom ______ ______ by us every day.
62、用被动语态改写句子, 每空一词。
You must not plant trees in very dry earth.
Trees ______ ______ ______ ______ in very dry earth.
63、用被动语态改写句子, 每空一词。
You can dig a hole in the earth.
A hole ______ ______ ______ in the earth.
三、短文填空
64、语篇填空 (用适当的时态和语态完成这篇短文)
We have an old musical instrument. It ①_____ (call) a clavichord (古钢琴) .It ②_____ (make) in Germany in 1681. Our clavichord ③_____ (keep) in the living room. It ④_____ (belong) to our family for a longtime. The instrument ⑤_____ (buy)by my grandfather many years ago. Recently it ⑥_____ (damage) by a visitor. She tried to play jazz on it! She struck the keys too hard and two of the strings ⑦_____ (break). My father ⑧_____ (shock). Now we ⑨_____ (not allow) to touch it. It ⑩______ (repair) by a friend of my father now.
参考答案
1、答案：is being investigated
解析：根据汉语提示，“调查”译为investigate,动词，句子主语与动词之间是被动关系，应用被动语态，结合句意“非法狩猎正在被当局调查以窥探濒危物种”可知，句子应用现在进行时的被动语态，其构成为“am/is/are being done”，因主语为不可数名词，be动词要用is，故答案为：is being investigated。
2、答案：are being threatened
解析：空格为谓语动词，主语habitats（栖息地）和动词threaten(威胁）之间为被动关系，结合句意，可知动作正在进行，时态为现在进行时，主语为复数，谓语用are+being+过去分词。
3、答案：have been threatened
4、答案：are being illegally hunted
5、答案：are being taken
6、答案：are becoming
7、答案：are being stirred up
8、答案：are being found
9、答案：must be stopped
10、答案：are being put up
11、答案：is intended
12、答案：are being observed
13、答案：is being driven
14、答案：are being hunted
15、答案：can be found
16、答案：are,being shot
17、答案：are being removed
18、答案：are being forced
19、答案：must be removed
20、答案：are reducing
21、答案：is being visited.
22、答案：are being watched over
23、答案：is being shown
24、答案：are, told
解析：句意：学生们经常被告知要看护他们的桌椅.从often判断句子使用一般现在时，主语是动作的承受者，句子使用被动语态，一般现在时的被动语态的构成be+动词的过去分词。故填are told.
25、答案：will be put
解析：根据题干，可知主语和谓语动词之间为被动关系，其谓语动词结构为"be done"，根据next month,可知时态为一般将来时，故为一般将来时的被动语态，谓语动词结构为"will be done"；put的过去分词为"put"。故答案为：will be put。
26、答案：must be taken
解析：
27、答案：are sold
解析：句意：这家商店出售蔬菜、鸡蛋和水果.句子使用一般现在时，主语是动作的承受者，句子使用被动语态，一般现在时的被动语态的构成be+动词的过去分词。故填are sold.
28、答案：is, made; is made
解析：固定短语be made of+能看出的原材料，表示"由……制成"，变问句直接把be，提前，knife单数要用is。故填：is；made；is made
29、答案：was given
解析：答案：was given；考查单词填空.A piano concert做主语谓语动词要用单数，且和give之间是被动关系，再根据last Friday可知要用一般过去时.故填was given.
30、答案：Can, be taken
解析：句意：这本杂志可以带出图书馆吗？本题主语“the magazine”与谓语动词“take”之间是逻辑上的动宾关系；根据can可知，是含有情态动词can的被动语态，疑问句结构是：情态动词+主语+be+过去分词(+其他） 故填Can；be taken。
31、答案：is cleaned
解析：every day用于一般现在时，房间是被打扫，要用被动语态。一般现在时态的被动语态，room做主语，要用is+动词过去分词。故填：is cleaned。
32、答案：Can, be seen
解析：星星是“被”看见，用被动语态；又由句中的情态动词can't可知，用含有情态动词的被动语态，其构成为：can't+be+过去分词。see的过去分词是seen。故填can't be seen。句意：在白天,星星是不能被看到的。
33、答案：have been watered
解析：句意：李明已经给一些花浇水了。根据already可知是现在完成时态，结构为have/has done；主语flowers与谓语动词water之间为被动关系，即“花被浇水”；现在完成时的被动式为have/has been done；主语为复数形式，故填have been watered。
34、答案：are(were)produced
解析：
35、答案：are grown
解析：苹果是“被”种植，用一般现在时的被动语态，其构成为：am/is/are+过去分词。主语apples是复数名词,be动词用are；grow的过去分词是grown。故填are grown。句意：现在苹果被种植在这片农场上。
36、答案：is learnt
解析：解析：根据句意，“俄语”Russian是动词“学习”learn的承受者，故用被动语态，其结构为：be+动词的过去分词。又可以判断为一般现在时，主语Russian是单数，故be用is,而learn的过去分词为learnt.
37、答案：are used
解析：根据所给提示，句子缺少谓语，主语是Planes, cars and trains(飞机、汽车和火车），宾语是business people(商务人士)，句子缺少谓语，主语是复数，谓语也用复数，主语和谓语是被动关系，被动语态结构be+done,句子描述的是事实，所以时态是一般现在时，be动词用are,use的过去分词是used,所以填are used。
38、答案：was built
解析：电影院是被建立的，用被动语态。be动词+过去分词构成被动语态。1985年是过去的时间，主语cinema是单数名词，be动词用单数is的过去式was。build建立，过去分词是built。
39、答案：mustn't be parked
解析：
40、答案：was drawn
解析：
41、答案：can be made
42、答案：is being printed
解析：根据句意：这本书现在正在印刷，很快就会出版。可知：这本书是被印刷，要用被动语态，现在进行时的被动语态结构为：be being done，主语the book是单数,be动词用is, print：印刷,现在分词是printing,故填：is being printed。
43、答案：was founded
解析：中国人民解放军是“被”成立，用被动语态；又由时间状语on August 1st,1927可知，用一般过去时。综合以上两点可知，用一般过去时的被动语态，其构成为：was/were+过去分词。主语the PLA是单数名词，be动词用was；found的过去分词是founded。故填was founded。句意：中国人民解放军（被）成立于1927年8月1日。
44、答案：can be finished
解析：考查情态动词的被动语态。原句翻译为：这个工作能在两天内被完成。故答案为can be finished。
45、答案：is produced
解析：根据句型转换的要求，将主动语态变为被动语态时，将原句宾语silk变为主语，谓语动词变为is produced，主语变为由介词by引出作宾语。故填：is produced。
46、答案：will be sung
解析：考查主动语态变被动语态。被动语态的一般将来时态结构为：主语+will+be+动词的过去分词+其他。这里动词是sing，过去分词是sung，故答案是will be sung。
47、答案：needn't be done
解析：原句中含有情态动词needn't，故应改为含有情态动词的被动语态，其构成为needn't +be+过去分词。do的过去分词是done。故填needn't be done。句意：现在，它不需要被你做。
48、答案：was sent to
解析：考查被动语态，就是be动词+过去分词构成，根据sent可知时态是一般过去时，主语是单数形式,所以be动词用was, send过去分词是sent,给我，就是to me，注意加介词to，所以答案是was sent to.
49、答案：is used
解析：原句为一般现在时，故应改为一般现在时的被动语态，其构成为am/is/are+过去分词。主语metal是不可数名词，be动词用is,故填is used。句意：金属被用于制造机器。
50、答案：was made to do
解析：英语中，被动语态的结构是：be+v-pp，被动语态的句子还需要与原句时态保持一致，谓语动词的单复数形式也要与新主语保持一致，故谓语动词部分变为：was made。另外,make sb.do sth.结构在变为被动语态时，要还原其在主动结构中省略的to,故答案为was made to do。
51、答案：has been given
解析：原句为现在完成时，故应改为现在完成时的被动语态，其构成为：has/have+been+过去分词。主语this book是单数名词，助动词用has。故填has been given。句意：这本书被给图书馆了。
52、答案：Was, built
解析：根据句型转换要求，把主动态转换成被动态，先转成陈述句的被动态，即一座桥在一年前被建，主语变为a bridge,时间状语是a year ago，谓语变为was built,即A bridge was built here by them a year ago，再转为一般疑问句，即把系动词提前至主语前,即Was a bridge built here by them a year ago 故填：Was；built。
53、答案：will be put
解析：由will可知，原句为一般将来时，故应改为一般将来时的被动语态，其构成为：will be+过去分词。put的过去分词还是put,故填will be put。句意：一部英语短剧将在我们学校上演。
54、答案：were bought by
解析：
55、答案：is often mended
解析：根据句型转换的要求，将主动语态变为被动语态时，将原句宾语his watch变为主语，谓语动词变为is mended，主语变为由介词by引出作宾语。故填：is often mended。
56、答案：be watered
解析：根据题意，把本句变成被动语态，must必须，情态动词，被动语态结构是平台动词+be+动词过去分词，water浇水，过去分词是watered，所以是be watered.
57、答案：are used
解析：原句为一般现在时，故应改为一般现在时的被动语态，其构成为：am/is/are+过去分词。主语knives是复数名词，be动词用are；use的过去分词是used。故填are used。句意：刀被用来切东西。
58、答案：were made to work
解析：make接不带to的不定式作宾语补足语make sb.do sth.使某人做某事，在变成被动语态时要添加不定式符号to,成为sb.be made to do sth.
59、答案：Was,broken by him
解析：根据句型转换的要求，将主动语态变为被动语态时，将原句宾语the window变为主语，谓语动词变为was broken,因是一般疑问句，was要置于句首，主语变为由介词by引出作宾语。故填：Was；broken by him。
60、答案：have been sold
解析：根据句型转换要求，把主动态转换成被动态，即那件浅绿色的裙子已经被卖了。主语转换成the light green dress,谓语动词由现在完成时的主动have done转换成被动have been done,因主语是第三人称单数，故谓语转换成has been sold。故填：has been sold。
61、答案：is cleaned
解析：原句为一般现在时，故应改为一般现在时的被动语态，其构成为：am/is/are+过去分词。主语the classroom是单数名词,be动词用is；clean的过去分词是cleaned。故填is cleaned。句意：教室每天被打扫。
62、答案：must not be planted
解析：
63、答案：can be dug
解析：原句中含有情态动词can，故应改为含有情态动词的被动语态，其构成为：can+be+过去分词。dig的过去分词是dug。故填can be dug。
64、答案：is called；was made；is kept ；has belonged；was bought；was damaged；were broken；was shocked ；are not allowed；is being repaired