题目内容

Miss Wang's bicycle is blue. So the red one _____ be hers.

A. could
B. can't
C. must
D. might

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——Kelly, _____ I use your dictionary?——Yes, sure. _____ you give it to David after you use it?

A. will; Would
B. may; Might
C. can; Could
D. shall; Should

——Is John coming by train?——He should, but he ______ not.

A. must
B. can
C. need
D. may

You have already tried your best, so you ______ worry about the matter.

A. can't
B. needn't
C. mustn't
D. couldn't

The fire spread through the building very quickly but everyone ______ get out.

A. had to
B. would
C. could
D. was able to

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