“ I hand in the paper this week?” “ No, you . You hand it in next week.
A. Must; needn’t; may
B. will; mustn’t; ought to
C. Shall; can’t; have to
D. Should; didn’t have to; can
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(答案→)A. Must; needn’t; may
B. will; mustn’t; ought to
C. Shall; can’t; have to
D. Should; didn’t have to; can
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