问题

Do you know —By underground.

A:when did your teacher come here
B:when your teacher came here
C:how did your teacher come here
D:how your teacher came here;

正确答案是：

同类题型

The suggestion has been made _____ the basketball game _____ put off.

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If you are not happy with it, you should say it out. Don’t just _____ in silence. [ ]

How is your friend— He is _______, and he is at school.