Must we hand in the exercise book now?
No, you______, you can hand in it tomorrow.
| A．mustn’t | B．needn’t |
| C．can’t | D．shouldn’t |
Must we hand in the exercise book now?
No, you______, you can hand in it tomorrow.
| A．mustn’t | B．needn’t |
| C．can’t | D．shouldn’t |
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