. You _____ return the book now. You can keep it till next week if you like.A．ca
题型：不详难度：来源：
. You _____ return the book now. You can keep it till next week if you like.| A．can’t | B．mustn’t | C．needn’t | D．may not |
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答案
| C |
解析
| can’t（不能），mustn’t（不准），may not（不可以），均不合题意。 |
举一反三
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