造十句过去完成时的句子，急，谢谢

造十句过去完成时的句子，急，谢谢

I had been at the bus stop for 20 minutes when a bus finallycame.
当车来的时候，我在车站已等了20分钟。
He said he had worked in that factory since 1949.
他说自从1949年以来他就在那家工厂工作。
I didn’t know a thing about the verbs, for I had not studied mylesson.|
我对动词一无所知，因为我没有好好学习功课。
I returned the book that I had borrowed.
我已归还了我借的书。
She found the key that she had lost.
她丢失的钥匙找到了。
He said that he had known her well.
他说他很熟悉她。
When I woke up, it had already stopped raining.
我醒来时雨已停了。
She didn’t go to bed until she had finished her work.
她直到把工作做完之后才睡觉。
Hardly had he begun to speak when the audience interrupted him.
他刚开始演讲，听众就打断了他。
No sooner had he arrived than he went away again
他刚到就又走了。