问题

The house could fall down soon if no one_____ some quick repair work[ ]

A: has done
B: is doing
C: does
D: had done

正确答案是：

同类题型

Look! A ________ woman was coming.

The guest does not the argument but watches a volleyball match on TV.

Mr. Wang _____ gets up early. So he is ______ late for work.

Are you worried about the coming exam—No, I think the more ________ you study, ________ mistakes you’ll make.

Our neighbor has _____ours[ ]