24. ---Is there any flight to New York?--- I think there be for it is snowing so heavily

问题补充：

24. ---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

答案：

A. shouldn’t

B. mustn’t

(答案→)C. can’t

D. needn’t

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