摘要： - I return the book to library today? -No, you needn’t. You can return it tomorrow. A. Can B. May C. Must D. Need
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— Must I return the book tomorrow?
— No, you ________. You can keep it for three days.
| A．mustn’t | B．needn’t | C．can’t | D．may not |
—Must I return the book this week?
— No, you ____. You can ____ it for 20 days.
| A．mustn't: keep | B．needn't; borrow |
| C．needn't; keep | D．mustn't; borrow |
—Must I return the book this week?
— No, you ____. You can ____ it for 20 days.
A．mustn't: keep B．needn't; borrow
C．needn't; keep D．mustn't; borrow
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