Cars play an important role in modern life, but they_______also cause many problems like air pollution．
#89014
A
should
B
can
C
must
D
Will
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–I could not start my car this morning due to the cold weather. --No wonder you were late. You ___ have used mine. I was not using all the morning.
#87865
A
should
B
must
C
could
D
might
But for your timely help, I ________ the project as scheduled.
#87395
A
couldn’t complete
B
couldn’t have finished
C
can’t have finished
D
can’t finish
Bob insisted that he ________ nothing wrong and ________ from work.
#87118
A
did; won’t be fired
B
had done; not be fired
C
should do; mustn’t be fired
D
do; shouldn’t be fired
Since the road is wet this morning, _____ last night.
#90138
A
it must rain
B
it must be raining
C
it must have rained
D
it must have been rain