(2013·安徽高考)It ________ be the vocabulary that caused you the problem in the exercise because you know a lot of words.
#62392
A
may
B
couldn't
C
should
D
needn't
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--- You ________ have bothered doing the washing-up. I could manage it myself. --- That’s OK, No problem.
#63634
A
wouldn’t
B
mustn’t
C
needn’t
D
couldn’t
—–I think the man over there must be Tom.—–It _____ be him. He has ______ to America.
#75468
A
can’t；gone
B
can’t；been
C
may not；been
D
mustn’t；gone
--____ you come to my birthday party tomorrow, Robert? --I’m afraid not. I have to study for my exam.
#78338
A
Must
B
Should
C
Can
D
Need