---Must I practice the violin now ,mom?
---No, you You can go out for a walk.
| A．mustn’t | B．shouldn’t |
| C．can’t | D．needn’t |
---Must I practice the violin now ,mom?
---No, you You can go out for a walk.
| A．mustn’t | B．shouldn’t |
| C．can’t | D．needn’t |
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