题目内容
— Listen! Is Tom singing in the classroom?
— No. It ________ be Tom. He is in the teacher’s office now.
A. may not B. can’t C. won’t D. mustn’t
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题目内容
— Listen! Is Tom singing in the classroom?
— No. It ________ be Tom. He is in the teacher’s office now.
A. may not B. can’t C. won’t D. mustn’t