题目内容
—Mum, must I stay there the whole day?
—No, you .You come back after lunch, if you like.
| A．mustn’t; can | B．needn’t; must |
| C．needn’t; may | D．mustn’t ; must |
C
解析试题分析：句意：--妈妈，我必须在这呆一整天吗？--不，不必。如果你喜欢的话，午饭后你就可以回去。needn’t不必; may可以；mustn’t一定不要，禁止，不许可。must必须。结合句意，故选C
考点：考查情态动词的用法。
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