内容正文:
根据句意用词的适当形式填空。
1. Have you ever seen the raising of the ___________(nation) flag?
2. Every year, many ____________(tour) came here to watch the beautiful scenery.
3. We learned the differences between ______________ (east) and western culture.
4. Guilin is really a beautiful city in ___________(south) China.
5. He spent three hours __________(solve) the problem.
6. Edison was one of the great _______ (invent) in the world.
7. This is a small company. It is _______ (known).
8. He has spent all his life on the research and_______ (develop) of better rice plants.
9. His achievements have increased rice_______ (produce) by 20%.
10. I admire them because they are national _______(hero).
11. He was happy because he passed the exam _______(successful).
12. I am looking forward to ________ (receive) your letter soon.
13. We would like ________ (send) you a new robot.
14. You will only need ________ (put) the batteries in to make it work.
15. My watch doesn’t work. Would you please h