Bài 1. Khoanh tròn phương án đúng để hoàn thành các câu sau.1with me to the s. If the weather is fine, we (goes/ will go) camping tomorrow.2. My parents will give me a gift if I (will pass/ pass) the final exam.3. If you are polite to others, they (will be/ are nice to you).4. Unless James (studies/ will study) hard, he will fail the exam.5. My parents won’t allow me to go out if I (don’t finish/ won’t finish) my homework.  6. If the cable TV (doesn’t/ won’t) work, we will rent a DVD.7. If you don’t want to stay at home, you (go/ can go) upermarket.8. If you (will be/ are) a good listener, you will gain many friends.9. James won’t attend the meeting if he (won’t/doesn’t) want to.10. You can’t have this job unless you (have/will have) long working experience.11. What (you will do/ will you do) if it snows tomorrow?12. You (will be/ are) able to understand it you practice every day.13. We will eat out today if there (will be/ is) nothing left in the fridge.14. If it (will be/ is) too cold outside, we will stay home.15. If she (isn’t/ won’t) careful, she will make many mistakes.

IV – Rewrite the sentences

41. He will pay me tonight; or I won’t have enough money for the tickets.

-> If he…………………………………………………………………………………

42. I will pass this exam; or I won’t go to the university next October.

-> If I ………………………………………………………………………………..

43. They began to live in Ho Chi Minh City in 2000.

-> They have

44. He started to learn how to play the piano in 2005.

-> He has

45. When did you start learning English?

-> How long……………………………….?

46. Her eyes are brown.

->     She has……………………………………................................

47.   How much is a bowl of noodles?

-> How much does ........................................................................?

48. My house is smaller than her house.

-> Her house…………………………………………………………..

II. Make conditional sentences, using if or unless. 1. Ican't finish this task if you don't give me a hand. 2. You will run out of money if you don't stop wasting it. 3. Don't call me unless it is an emergency. 4. James will not pass the test unless he studies harder. 5. If Jane finishes her work before 6 p.m, she will dine out with her friends. 1. Work hard and you will pass your exam. If 2. My brother is not good at playing tennis. My brother does not . 3. r'll be on vacation next week, so I won't be able to attend the meeting. Since 4. If you don't start working hard now, you won't be able to pass the final test. Unless . 5. Someone should take this garbage to the garbage dump soon. This garbage 1. I am a member of the anti-pollution program in my school. I often go to school by bus. (so) 2. The trees in this area were cleaned off. Public facilities would be constructed. (because of) 3. All the roads were flooded because it had been raining heavily. (due to) 4. Jimmy ate a lot of fast food, so he put on 10kilograms within just two months. (because) 5. My father got upset because I repeatedly left on the lights I was not using. (so)

22. If people ____________ public transport, there will be less pollution.

      A. use                             B. will use                            C. can use                             D. used

23. If I pass this exam, I ____________ to the university next summer.

      A. went                          B. have gone                        C. will go                             D. goes

24. We will be late unless we ____________ now.

      A. leave                          B. don’t leave                       C. had left                            D. have left

25. You will get a good seat if you ____________ first.

      A. came                          B. come                                C. have come                       D. will come

26. What can we do ____________ air pollution?

      A. reduce                       B. to reduce                          C. reducing                          D. to reducing

27. If people turn off all electric appliances in one hour all over the world, they can save lots of ____________.

      A. electric                       B. electrical                          C. electrician                        D. electricity

28. Don’t throw rubbish ____________ the river because you will make it dirty.

      A. into                            B. up                                    C. at                                     D. of

29. If you have old clothes, will you give them to those ___________?

      A. needs                         B. to need                             C. in need                             D. for needing

30. Please collect all recyclable materials, and take them to the ____________ factory.

      A. recycle                       B. recycled                           C. recycling                          D. recyclable

31. Your school is so green with lots of trees!

      A. That's a good idea.                                                

      B. Congratulations!

      C. There are many trees here.                                    

      D. Thank you. We're planting some more flowers.

Choose the best answer to complete the sentences.

1.If there________ no gravity, you do not weigh anything (be/is/were/was)

2.If you________ a report, you'll have to prepare it carefully.(do/did/will do/would do)

3.If Hoa_________ home, she'll tell her parents about her result.(call/ calls/calling/will call)

4.If the local authorities ___________ littering, the environment will become bad. (don't prevent/not prevent/will not prevent/ didn't prevent)

5.If I___________ an astronaut, I would observe the Earth from the moon. (be/is/were/was)

6.I__________ to Lan's birthday party if she invites me. (go/will go/ went/gone)

7.If solar energy is used widely in the future, the environment ____________ .(will be protected/ will be protect/would be protected/would be protect)

8.If the teacher_________ us some homework, we have to stay home and do it. (gives/give/ will give/gave)

9.Their parents would be happy if they ________ the final exam. (passed/pass/will passed/would pass)

10.Please let me know if the teacher___________ .(will come/comes/coming/come)

11. If you______ to pass the exam, you should try harder. (wanted/want/will want/wants)

12.If I had time, I __________ the poor children with studying. (helped/help/will help/would help)

13.If I saw a UFO, I _____________ surprised. (not be/would not be/were not/ won't be)

14. If people destroy the rainforest, rare animals ____________. (would be killed/will kill/ will be killed/ would kill)

15.They will pass the final exam if they _________ hard. (will study/ studied/study/would study)

  1)I need to pass this exam to graduate. 

A.It is necessary for me to pass this exam to graduate.

B.It is necessary to pass this exam to graduate.

C.It is necessary for me pass this exam to graduate.

D.It is necessary pass this exam to graduate.

  2)I spend two hours doing my homework everyday. 

A.It takes me two hours doing my homework everyday.

B.It takes two hours to do my homework everyday.

C.It takes me two hours to do my homework everyday.

D.It takes two hours doing my homework everyday.

Exercise 3: Rewrite the following sentences:

1. He can’t go out because he has to study for his exam. => If…………………………………………………..

2. She is lazy so she can’t pass the exam. If…………………………………………………………

3. He will pay me tonight; I will have enough money to buy a car. => If…………………………………………………………….

4. He smokes too much; that’s why he can’t get rid of his cough. => If……………………………………………………………..

5. She is very shy, so she doesn’t enjoy the party. => If……………………………………………………………..

6. I will get a work permit. I will stay for another month. => If……………………………………………………………..

1.      He can’t go out because he has to study for his exam.
=> If…………………………………………………..

2.      She is lazy so she can’t pass the exam.
If…………………………………………………………

3.      He will pay me tonight; I will have enough money to buy a car.
=> If…………………………………………………………….

4.      He smokes too much; that’s why he can’t get rid of his cough.
=> If……………………………………………………………..

5.      She is very shy, so she doesn’t enjoy the party.
=> If……………………………………………………………..

6.      I will get a work permit. I will stay for another month.
=> If……………………………………………………………..

7.      He doesn’t take any exercises. He is so unhealthy
=> If……………………………………………………………….

8.      We can’t get the ticket because I don’t have the right change.
=> If………………………………………………………………..

9.      Study hard or you won’t pass the exam.
=> If…………………………………………………………………..

10.  Don’t be impatient or you will make mistakes.
=> If……………………………………………………………………..

11.  I didn’t eat lunch, I feel hungry now.
=> If I…………..………………………………….

12.  I only come if they invite me.
=> unless……………………………………………….

13.  He didn’t revise all his lessons, he failed the exam.
=> If he………………………………………………………..

14.  The park is over there, only 5 minutes’ walk.
=> If you walk……………………………………………….

15.  Leave me alone or I’ll call the police.

=>Unless……………………………………………………………………………………

16.  If you arrive at the office earlier than I do, please turn on the air-conditioner.

=> Should……………………………………………………………………………….     

17.  The children don’t go to school in the snowy weather.

=> If it ………………………………………………………………………………           

18.  He died so young; otherwise, he would be a famous musician by now.

=>Had ………………………………………………………………………………           

19.  You must tell me the whole truth or I won’t help you.

=> Unless………………………………………………………………………………       

20.  The car breaks down so often because you don’t take good care of it.

=> Were I………………………………………………………………………………      

21.  He is very bad-tempered, that’s why his wife left him soon after marriage.

=> If he………………………………………………………………………………

22.  Don’t tell lies to your boss or you’ll be fired at once.

=> If……………………………………………………………………………

23.  She got married at such an early age: otherwise, she would be at university now.

=> Had ………………………………………………………………………….