题目内容
—Someone is singing next door. Is it Amy?
—It ______ be her. She is giving a performance at the theatre now.
A. can’t B. mustn’t
C. needn’t D. won’t
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题目内容
—Someone is singing next door. Is it Amy?
—It ______ be her. She is giving a performance at the theatre now.
A. can’t B. mustn’t
C. needn’t D. won’t