题目内容

–Look at that girl! Is it Susan?
--No, it _______ be her. She has gone back to her hometown.
A．mustn’tB．can’tC．needn’tD．wouldn’t
B
情态动词辨析.   A.禁止  B. 不能;不可能  C. 不必 D. 不会,表示过去.句意:看那个女孩!是苏珊吗？——不。不可能是她。她已经会家乡了。选B。
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