问题描述：
10.I'm afraid we must leave now.--- ________ .
--- No,I'm afraid we really must.We have to meet our teacher at ten o'clock.
A.Oh,please do B.Don't be afraid C.Yes,it's too late D.Must you?It's still early.
选什么呀
--- No,I'm afraid we really must.We have to meet our teacher at ten o'clock.
A.Oh,please do B.Don't be afraid C.Yes,it's too late D.Must you?It's still early.
选什么呀
问题解答：
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