欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

1. We are living in an age ____ many things are done on computer.
2. We are living in an age ____ we have a lot of things to learn about.
3. I can think of many cases ____ students obviously knew a lot of English
    words and expressions but couldn't write a good essay.
4. I can think of many cases ____ you know nothing about.
5. I want to know the date ____ you were born.
6. I have remembered the date ____ I forgot just now.
7. Do you know the reason ____ he is absent today?
8. That is the reason ____ I want to know.
9. This is the factory ____ his father works.
10. This is the factory ____ his father built.
11. The key ____ she was opening the door broke.
12. The library ____ we often go on Sundays is not far from our school.
13. No one knows the reason ____ she is leaving so early.
14. At last they came to a river ____ a new bridge is being built.
15. The old man always wears his glasses ____ he can't see anything.