问题描述:
May I park the car here?-No,you----.look at the sign "NO Parking"回答为什么选mustn't而不选can't?
用may I的否定回答一定要用mustn't吗?那肯定回答用什么?
用may I的否定回答一定要用mustn't吗?那肯定回答用什么?
问题解答:
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