．－May I keep this book for two days?－No, you. It’s a library book for reference only.A. ma

发布时间：2020-08-16 12:17:54


．－May I keep this book for two days?
－No, you    . It’s a library book for reference only.
A. may not
B. mustn’t
C. needn’t
D. shouldn’t

网友回答

A. may not
(答案→)B. mustn’t
C. needn’t
D. shouldn’t
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