---Must I hand in my exercise book now, Mr. Zhao?
---No, you ______. You may give it to me tomorrow.
| A．mustn’t | B．can’t | C．needn’t | D．don’t |
---Must I hand in my exercise book now, Mr. Zhao?
---No, you ______. You may give it to me tomorrow.
| A．mustn’t | B．can’t | C．needn’t | D．don’t |
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