–MayIgoouttoplaybasketball,Dad?--No,you

問題詳情：

–May I go out to play basketball, Dad?

--No, you ______. You must finish your homework first.

A. mustn’t         B. may not         C. couldn’t          D. needn’t

【回答】

A

知識點：情態動詞

題型：選擇題