Ⅰ. 用适当的介词填空
1. In the dark street, there wasn’t a single person to whom she could turn for help.
2. I don’t have enough money with which I can buy a beautiful dress.
3. Can you tell me the reason for which you didn’t come to her birthday party?
4. Water is a thing without which man can’t live.
5. The film in which he played the leading role was a great success.
6. The man from whom I received the letter was my best friend.
7. There are some occasions on which one must give in.
8. Tom is the boy with whom I share a room.
9. The house for which he paid 20, 000 yuan is now worth 30, 000 yuan.
10. They think calculation is a necessary skill on which they base their researches.
