He _____ be really difficult at times even though he ,generally speaking, is a nice person.
#63426
A
can
B
should
C
shall
D
must
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He _____ have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside．
#62721
A
should
B
must
C
wouldn’t
D
can’t
—You shouldn’t have shouted at your mother. It really hurt her. —Exactly. I ________ crazy at the time.
#62574
A
must be
B
could be
C
must have been
D
could have been
You __ drive your car so fast. It's very dangerous.
#75401
A
wouldn't
B
shouldn't
C
couldn't
D
mightn't