1. carrying the bags for me?
2. having a lot of difficulties, she ...
3. if she went to school by bike.
4. was built last year.
5. study harder, you will fail the exam.
6. the flat is very noisy, we enjoy living here,
7. was organized last week,
8. walking in the rain
9. practice speaking every day, you can't improve your English.
10. if these clothes belonged to me.
11. was repaired an hour ago.
12. because they didn't pass the exam.
13. changing the date of the meeting again.
14. in feelding chickens every morning.
15. was sick, she went to bed early.
16. has been written for children by the author.
17. (giống 15)
18. bought a car which is very fast and modern
19. (giongs 13)
20. (giống 14)