200. With some books he needed ______, he went into the book store quickly.

1. He kept his head _____ water when he began to learn swimming, but he raised his head now and then

2. Another grand bridge will be built _____ the Pearl River in our city.

3. I'll leave Beijing for Guangzhou ____ a week, while my brother will leave Guangzhou for Beijing ____ our National Day.

4. The huge picture looks more beautiful _____ the blue sky.

5. The climate here doesn't agree _____ her.

6. Standard time in Beijing is eight hours ____ Greenwich Mean Time(GMT格林威治标准时间).

7. --- Can you tell me what’s your aim in life, Li Ping?

--- I am aiming ____ a famous physicist.

8. "Pass ____ the bus, everyone." the conductor shouted politely.

9. I was angry _____ missing the gongfu film with Cheng Long as hero.