题目内容
—Look at that girl! Is it Susan?
—No, it _____ be her. She has gone back to her hometown.
A. mustn’t B. can’t C. needn’t
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题目内容
—Look at that girl! Is it Susan?
—No, it _____ be her. She has gone back to her hometown.
A. mustn’t B. can’t C. needn’t