You ______ return the book now. You can keep it until next week if you like.
A、
have to
B、
can't
C、
mustn't
D、
needn't
【正确答案】
D
【答案解析】
have to“必须”;can't“不能”;mustn't“一定不要”;needn't“不必”。根据“You can keep it until next week if you like”可知用needn't。句意:你不必现在归还这本书,如果你喜欢,你可以到下周再还。
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