题目内容
( ) 9. 一 Must they attend the meeting this afternoon?
—_. They had one yesterday.
A. Yes, they must B. Yes, they can C. No, they needn’t D. No, they mustn’t
C
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题目内容
( ) 9. 一 Must they attend the meeting this afternoon?
—_. They had one yesterday.
A. Yes, they must B. Yes, they can C. No, they needn’t D. No, they mustn’t