—Whose shirt is this?—It ______ be Li Lei’s. It is too big for him. [

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—Whose shirt is this?
—It ______ be Li Lei’s. It is too big for him. [ ]
A. could
B. must
C. might
D. can’t

答案

举一反三

You ______wear your cool pants, because it is hot here.             [     ]
A. can
B. may
C. must
D. should

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If the lights were on, they ________ have been at home.[ ]
A. may
B. can
C. must
D. should

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You _____ smoke when you see the sign

. [     ]
A. must
B. should
C. mustn’t
D. needn’t

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You ____ swim here. It is said that sharks have been seen.[ ]
A. can
B. may
C. mustn’t
D. needn’t

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-Can I __________ your camera?
-Sure, here you are.[ ]
A. borrowed
B. lend
C. lent
D. borrow

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