Must I return the book to you now？
____, you_____．You can do it tomorrow．（ ）
| A． |
No； needn't |
| B． |
No；mustn't |
| C． |
Yes；must |
Must I return the book to you now？
____, you_____．You can do it tomorrow．（ ）
| A． |
No； needn't |
| B． |
No；mustn't |
| C． |
Yes；must |
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