1、By nine o’clock last night,we had got 200 pictures from the spaceship.
到昨晚9点钟,我们已经收到200张飞船发来的图片。
2、I had been at the bus stop for 20 minutes when a bus finally came.
当车来的时候,我在车站已等了20分钟。
3、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。
4、Mr.Smith died yesterday.He had been a good friend of mine.
史密斯先生昨天去世了。他以前是我的好友。
5、I returned the book that I had borrowed.
我已归还了我借的书。