用所给词的适当形式填空
1. Bill Gates ________(devote) himself to the computer business.
2. A lot of ________(soldier) lost their ________(life) in the water.
3. In the Anti-Japanese war, Bethune worked in the ________(north) part of China .
4. The doctor are ________(operate) on the patient.
5. It is ________(produce) in our country.
6. Why is there so much ________(血) on the floor?
7. Is China a ________(发展) country?
8. There is ________(没有东西) in the room.
9. Hellen ________(树立) an example for us.
10. It is ________(据说) that there will be a football game at 2:00 this afternoon.