(共26张PPT)
for
to do
without
in
endangered
in
out of
dangerous
for
against
with
to do
to
from
against
under
doing
to
of
to do/doing
in
in
out of
on
no
to do
at
at
at
with
aimless
aimlessly
doing
in
in
with
in
a
No
at/about
if/whether
on/upon
on
of
on
doing
a
away
out
off
up
with
one
no
in
at
in
on
with
be concerned
about
concerning
on/with
to
with
on
by
by
out
still
doing
about
out
off
aside
down
Although tired
seem to be losing
only if he
works hard
that
when
where
when
that/which
as