英语难题!!!

1.Why didn't you paint the bookcase?(He)
It was too late.He had already painted it.
2.Why didn't you dust the dressing table?(She)
It was too late.She had already dusted it.
3.Why didn't you telephone him?(you)
It was too late.You had already telephoned him.
4.Why didn't you correct it?(you)
It was too late.You had already corrected it.
5.Why didn't you shut the door(They)
It was too late.They had already shut it.
6.Why didn't you make the bed?(she)
It was too late.She had already made it.

这是关于过去完成时的练习

都是一样的.比如第三题It was too late.I had already telephoned it.

1.It was too late. He had painted the bookcase.

2.She had dusted the dressing table.

3.You had telephoned him.

4.You had corrected it.

5.They had shut the door.

6.She had made the bed.

哇塞,这也叫难题?
我一看难题,赶紧过来了,谁知道是个这.