问题

I wonder whether the teacher is one of those who_______ to the mountain village to help the children there.

A:have sent
B:has sent
C:has been sent
D:have been sent

正确答案是：

同类题型

May I use your bike—_____

Jim’s grandpa lived________, but he didn’ t feel________

The train was travelling _______ low speed at that time.

This company was ______ of using misleadingadvertisements in its promotion of the weight-loss pills

overslept this morning because my alarm clock ______.