问题

What are you doing there—-Listen, Mum! I hearsomebody______upstairs

A:has worked
B:had worked
C:worked
D:works

正确答案是：

同类题型

Well, I have ________to tell you. Pleasekeep quiet.

’t manage this Sunday. Another time , but notSunday. —Why_______ me earlier I’ve beenlooking forward to it.

Water, air and sunshine are __________great importance____living things．

下面各句的句式，与其他三项不同的一项是（）

Mona doesn’t like making speeches. She feels ________talking in front of the class.