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1.We can’t figure out ___quite a number of insects,birds,and animals are dying out.
A:that
B:as
C:why
D:when

2.If it were not for the fact that you _____ ill, I would ask you to do this right now.
A: were
B: had been
C: are
D: should be
3.--- “What will you do during the summer holiday?” --- “I don’t know, but it’s high time _____ something.”
A:I’m deciding
B: I’ll decide
C: I decided
D: I decide
4.Should it rain, the crops _____ .
A:would be saved
B: would have been saved
C:will be saved
D:had been saved
5.The suggestion has been made _____ the basketball game _____ put off.
A: for; to
B: that; be
C: which; should be
D:to; being
6. ___late in the morning,Bob turned off the alarm.
A:To sleep
B:Sleeping
C:Sleep
D:Having slept
7.When I got back home I saw a message pinned to the door“Sorry to miss you; will call later.”
A:read
B:reads
C:to read
D:reading
8.—You were brave enough to raise objections at the meeting.—Well,now I regret _______ that.
A:to do
B:to be doing
C:to have done
D:having done
9.—The light in the office is still on.—Oh,I forgot _______ .
A:turning it off
B:turn it off
C:to turn it off
D:having turned it off
10.The squirrel was so lucky that it just missed_______ .
A:catching
B:to be caught
C:being caught
D:to catch
11. Generally speaking,______according to directions,the drug has fie side-effect.
A:when taking
B:when taken
C:when to take
D:when to be taken


  • hzm82 2017-10-11 17:05
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