III. Fill each gap with a suitable preposition. Write your answers in the spaces provided.(10 pts)
1. Are you certain ________________ the result of your exam?
2. I am still doubtful ________________ the accuracy of the information he’s given us.
3. We have to teach children to be obedient ________________ their parents and teachers.
4. Are you pleased ________________ your new hairstyle?
5. I am certain that he is innocent ________________ the crime.
6. Young children are very sensitive ________________ cold.
7. Do you have any objection ________________ my request?
8. My brother and I have a lot ________________ common.
9. The car was so expensive. It was ________________ my reach.
10. Are you acquainted ________________ the girl standing over there?
11. I’m too busy to deal ________________ the problem now.
12. ________________ general, our plan has been a great success.
13. Everyone was surprised ________________ the referee's decision.
14. Now that he’s got a good job, he is independent ________________ his parents.
15. At the moment I’m writing a report ________________ the influence of air pollution.
16. Can you distinguish ________________ a Chinese girl and a Japanese girl?
17. The police are trying to bring the situation ________________ control.
18. The government have done a lot to find a solution ________________ the problem of unemployment.
19. Our environment is ________________ great danger now, and needs much more protection.
20. ________________ the end, he decided to change his job.
Help me 
III. Fill in each gap with a suitable preposition
1. We are waiting ____at____ the bus stop.
2. I'll wait _until__ your are ready.
VII.
2. Your country is very rich in natural __resources___
3. We received 400 ___applications__ for this job.
4. What is his __position__ in class? -He is the monitor
5. They think that all boys and girls grow in balance way at __boarding___ school
Bn làm sai câu 5 bài VII rồi