—Must I clean my room now, Mum?
—_______. You can do it tomorrow.
| A．No, you needn’t | B．No, you mustn’t |
| C．Yes, you need | D．Yes, you must |
—Must I clean my room now, Mum?
—_______. You can do it tomorrow.
| A．No, you needn’t | B．No, you mustn’t |
| C．Yes, you need | D．Yes, you must |
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