on 

on leave: nghỉ

 Exercise 1: Hoàn thành các câu dưới đây, sử dụng cấu trúc so sánh bằng của tính từ hoặc trạng từ

15. Please call me ______as soon as_____________ possible. (soon)
16. You don’t write ___as clear as__________ he does. (clear)
17. Sleeping on the sofa is not ______as comfortable as_____________ in bed. (comfortable)
18. This hotel is ______as expensive as _____________ the one near the beach but it is much better. (expensive)
19. My grandmother is __as warm-hearted as_________________ fairy godmother. (warm-hearted)
20. He had an accident last year. Now, he drives ___more carefully________ he used to before. (careful)
21. Do you think learning Japanese is _____as difficult as ______________ learning English? (difficult)
22. This musician is not ____as popular as_______________ that one. (popular)
23. Our team didn’t play ___as bad as_________ this one. (bad)
24. Ann looks ______as gorgrous as_____________ princess in her new dress. (gorgeous)
25. The river isn’t _____as deep as______________ it looks. (deep)

find

Nếu tôi tìm thấy quyển sách, tôi sẽ đưa nó cho bạn

will get

Nếu anh ta làm việc chăm chỉ, anh ta sẽ được tăng lương

calls

Nếu Jack gọi, tôi sẽ nói chuyện với anh ta

will die

Các loài cây sẽ chết nếu chúng không nhận được đủ ánh sáng mặt trời và nước

III. Give the correct forms of the verbs in brackets.

1. If you ( go) ______go____away, please write to me.

2. If you (see) _____see_____Mary today, please (ask) ___ask_______her to call me.

3. If he (eat) _____eats_____another cake, he will be sick.

4. If he (take) _____takes_____my advice, everything can go well.

5. What you (do) _____will you do_____if she refuses your invitation?

6. Unless they (pass) ___passed_______their examinations, they would join the army.

7. You (be) ____will be______ill if you drink that water.

8. If it’s raining heavily, we (not go) ____won't go______for a donkey ride.

9. If he (try)___tries_______ hard, he’ll pass the examination.

10. If I (finish) ____finish______the work in time, I (go)_______will go___ to the football game.

11. If the weather stays good next weekend, we…will prbably go……… (probably / go ) away somewhere.

12. Come on! If we (hurry)…………hurry………….,we ( catch )……………will catch….. the bus.

13. There (be)………will be…………big floods every year if the cutting down of trees continues.

14. If there (be) ………is……….too much litter on the streets, the environment will become polluted.

15. If the sea level (rise)……………rises……, there will be floods in many parts of the world.

16. They will be late for their meeting if they ( not leave )………don' t leave…………………now.

17. If you aren’t careful, you (drop)………will drop…………………..the plates.

18. If anyone (phone)………………phones…………. me , tell them I’m out.

19. If he ( not use)…………doesn't use…………much pesticide on vegetables, they will become edible.

20. What (you/ do) ...........will you do.................... if you are free tomorrow, Lan?

21. If I ...............study.............. (study), I...........................will pass..........................(pass) the exams.

22 If the sun...............shines............ ( shine), we ....will walk.................... (walk) to the town.

23. If he ...............has.............. ( have) a temperature, he .........will seee................... ( see) the doctor.

24. If my friends ............come.................( come), I .....................will be................( be) very happy.

25. If she.................earns........( earn) a lot of money, she ...................will fly...........( fly) to New York.

26. If we ..............travel........( travel) to London, we ..................will visit..............( visit) the museums.

27. If you .......wear....... ( wear) sandals in the mountains, you...........will slip...........( slip) on the rocks.

28. If Rita ........forgets..... (forget) her homework, the teacher.....will give...............(give) her a bad mark.

29. If they.........go..................(go) to the disco, they ..............will listen................(listen) to loud music.

30. If you .........wait....................(wait) a minute, I.................will ask...........(ask) my parents.

Điền giới từ, trả lời và ghi cấu trúc 

10. I washed his car _______in_____ exchange ______for______ some pocket money.
11. This is my first visit ______to______ Singapore.
12. I had a lot of fun _____at_______ the summer camp and improved my English ______at______ the same time.
13. I studied history and geography ____at________ university.
14. The bridge was closed _______for/at____ the weekend because it was ____under________ repair.

10. to/ for

11. to

12. at/ at

13. at

14. on/ under

Điền giới từ, trả lời và ghi cấu trúc 

4. I was so distracted that I put salt into my coffee ______by______ accident.
5. There is no solution ______to______ this problem.
6. John has a reputation _____for_______ being late all the time.
7. She hasn’t got any money left. ______in_____ other words, she’s broke.
8. Could you call tomorrow? I’m not ______in______ such a good mood today.
9. She took me _______by_____ the hand, and we walked along the beach.

C.Phone before 10.00 am if you want the doctor to visit you at home.

c