41. Nam will pass the exam because he studies hard.
42. Her book which became a best selle,r was published last year.
43. I am strong enough to carry this bag.
44. The driver stopped, so that the children could cross the road.
45. The air in the country is very fresh so people like to live there.
46. This film was too long for them to see it all night.
47. They asked her if she thought the President would resign.
48. When he came home, his father was reading the newspapers.
49. If it hadn't been your help, I couldn't have overcome the problem.
50. we learn English in order to find good job.

1. Nam will pass the exam because he studies hard.
2. Her book which became a best seller was publishes last year.
3. I'm very strong to carry this bag.
4. The driver stopped so that the children could cross the road.
5. The air in the country is very fresh so people like to live there.
6. The film was too long for they to see it all night.
7. They asked her if she thought the President would resign.
8. When he came home, a newspaper was being read by his father.
9. If i had your help, I could overcome the problem.
10. We learn English in order to find good jobs.