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> —Look!Amaniscuttingatreeonthemoon.       —It

—Look!Amaniscuttingatreeonthemoon.       —It

问题详情:

—Look!Amaniscuttingatreeonthemoon.       —It

—Look! A man is cutting a tree on the moon.

        —It ______ be true. The teacher said there is no air on the moon.

         A. can’t       B. may not       C. shouldn’t     D. mustn’t

【回答】

A

知识点:情态动词

题型:选择题

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