题目内容
---Did you hear Julia singing in the music room at nine last night?
---No, it ________ be Julia. She has gone to Paris.
A. may not B. can’t C. mustn’t D. couldn’t
B
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题目内容
---Did you hear Julia singing in the music room at nine last night?
---No, it ________ be Julia. She has gone to Paris.
A. may not B. can’t C. mustn’t D. couldn’t
B