1. Be quiet or you will not understand the lesson.
→ If
2. Study harder and you will not fail the coming exam.
→ If
3. Work harder or you won’t get high salary.
→ If
4. Practice speaking English every day or you can’t improve your English.
→ If
5. The children like to walk in the rain.
→ The children enjoy
→ The children are
6. I think surfing the Net is useful.
→ I find it
7. I don’t think she broke the vase accidentally.
→ I think
8. Watching TV consumes a lot of time.
→ Watching TV is a
9. Can’t you control the child?
→ You ?
10. “I don’t know anything about it,” he said.
→ He denied
11. Did they understand the problem?
→ They hardly ?
12. He forced me to put my hands up and quickly searched through my pockets.
→ I ____________________________________________________________________
13. “Don’t forget to phone the office,” she told him.
→ She reminded
14. Mary will watch the film in three hours.
→ It will
15. The children are excited about going to the circus.
→ The children are looking
16. He is interested in reading detective books.
→ He enjoys
17. Do you find it difficult to speak English?
→ Do you have any
18. My father needs 15 minutes to read “Tuoi Tre” newspaper every morning.
→ My father spends
19. The floor was cleaned by Loan
→ Loan
20. The Browns last painted the living-room two years ago.
→ The Browns have