问题

Could you tell me —Certainly.

A:who is waiting for me
B:who are you waiting for
C:what the matter is with your bike
D:how to do;

正确答案是：

同类题型

_____ we have built “the Green Wall’, _____we still need to work hard to protect our environment.

Leaves fall _______piles ________the ground

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Trucks_________ withfoodand medicine waited at the border. [ ]