题目内容
---Is there any flight to New York?
--- I think there ______ be, for it is snowing so heavily.
A. shouldn’t B. mustn’t C. can’t D. needn’t
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题目内容
---Is there any flight to New York?
--- I think there ______ be, for it is snowing so heavily.
A. shouldn’t B. mustn’t C. can’t D. needn’t