—Listen! Is Miss Smith giving a speech in the class? —No, it ________ be her. She has gone to Hong K
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题目简介
—Listen! Is Miss Smith giving a speech in the class? —No, it ________ be her. She has gone to Hong K
题目详情
—No, it ________ be her. She has gone to Hong Kong.
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B. mustn't
C. can't
D. needn't
答案