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1.We should celebrate the Mother's Day and the Father's Day to.... the family tradition (improve/ enhance/ promote/ reduce)
2. He is the most effective....... in the city charity program (act/ action/ activity/ activist)
3. The ASEAN country...... is divides into two regions by the sea is Malysia (who/ where/ which/ that)
4. He signed......when he heard the news (happy/ happily/ sad/ sadly)
5. Please go..... with what you are doing. Don't look at them (to/ at/ away/ on)
6. You should travel by bike...... motorbike to save energy (because of/ instead of/ however/ therefore)
7. Ha Long Bay is a placê of interest..... we will visit someday ( who/ which/ where/ when)
8. The people.......live in Greece speak Greek, don't they? (Whom/ who/ which/ when)
9. If I missed the bus, I .......walk to school (would have/ will have to/ would have to/ will have)
10. Scientists say that if people see a UFO, it..... be a spacecraft (will/ might/ is/ was)
11. There are..... methods and inventions to use solar energy (saving energy/ energy saving/ energy saved/ saved energy)
12. Yesterday a typhoon....the coastal city in the city (strike/ hit/ predicted/ collapsed)
13. The secretary.....I talked to didn't know where the meeting wad (who/ whom/ whose/ which)
14. I want everybody listen to the lecturer..... (care/ careful/ carefully/ carelessly)
15. He won't be happy if you .... come (don't/ didn't/ won't/ haven't)
16. ......you study haRd, yoU won't pasS thE exAm EasLY (iF/ unLESS/ so/ becAuse )
17. WHAt.....yOu Do If tOdAy.......suNDaY? (WiLL,is/ wOULd,werE/ do,is/would,wAs)
1.We should celebrate the Mother's Day and the Father's Day to.... the family tradition (improve/ enhance/ promote/ reduce)
2. He is the most effective....... in the city charity program (act/ action/ activity/ activist)
3. The ASEAN coutries...... is divides into two regions by the sea is Malysiaa (who/ where/ which/ that)
4. He ..... signed when he heard the news (happy/ happily/ sad/ sadly)
5. Please go..... with what you are doing. Don't look at them (to/ at/ away/ on)
6. You should travel by bike...... motorbike to save energy (because of/ instead of/ however/ therefore)
7. Ha Ling Bay is an interesting place ..... we will visit someday ( who/ which/ where/ when)
8. The people.......live in Greece speak Greek, don't they? (Whom/ who/ which/ when)
9. If I missed the bus, I .......walk to school (would have/ will have to/ would have to/ will have)
10. Scientists say that if people see a UFO, it..... be a spacecraft (will/ might/ is/ was)
11. There are..... methods and inventions to use solar energy (saving energy/ energy saving/ energy saved/ saved energy)
12. Yesterday a typhoon....the coastal city in the city (strike/ hit/ predicted/ collapsed)
13. The secretary.....I talked to didn't know where the meeting wad (who/ whom/ whose/ which)
14. I want everybody listen to the lecturer..... (care/ careful/ carefully/ carelessly)
15. He won't be happy if you .... come (don't/ didn't/ won't/ haven't)
16. ......you study hard, you won't pass the exam easly (if/ unless/ so/ because )
17. What.....you do If today.......sunday? (will,is/ would,were/ do,is/would,was)
48. My parents dont't let me go out after 10 o'clock
-> my parents dont't allow__me to go out after 10 o'clock____________
49. They won't allow you to come in without the ticket
-> they won't let____me come in without the ticket______
50. I'm sorry because i disturb you
-> im sorry to ____ disturb you_________
51. We were happy because we met some interesting people
->we were happy to_meet some interesting people ________
52. He will likely come late
->it is unlikely for him to come early
53. You can rely on your parents all times
-> it is impossible for you to rely on your parents all times
54. You shouldn't go out late because of danger
-> you ought____not to go out late because of danger_______
55. You should take to your parents about your problems
->you ought to talk to your parents about your problems
5/ I don't have a typewriter. I can't type it myself.
> If I had a a typewriter, I could type it myself.
6.I don't live in a big city, so I can't go to the cinema very often.
>If I lived in a big city, I could go to the cinema very often.
7. Lan doesn't have a bike, she walks to school.
>If Lan had a bike, she wouldn't walk to school.
8. I'm not a doctor , so I can't help you
>If I were a doctor, I could help you.
9 They do not understand you because you do not often talk to them.
>If you often talked to them, they would understand you.
10. I'm so busy , so I don't write to my friends regularly.
>If I weren't so busy, I would write to my friends regularly.
11. People don't trust him because he tells lies.
> If he didn't tell lies, people would trust him.
12. She is so busy that she can't come to the party.
> If she weren't so busy, she could come to the party.
13. I don't have the money , so I can't go on holiday.
> If I had the money, I could go on holiday.
14. He gets bad marks because he is lazy.
> If he weren't lazy, he wouldn't get bad marks.
15. Do it now , or you will not finish it on time.
> If you don't do it now, you won't finish it on time.
16. Hurry up , or we will be late for the exam.
>If we don't hurry up, we will be late for the exam.
17. Be quiet , or you will not understand the lesson.
>If you aren't quiet, you will not understand the lesson.
18. The office may be closed , so Mark won't be able to get in.
> If the office is closed, Mark won't be able to get in.
19. You can't look the word up because you haven't got a dictionary
>If you had got a dictionary, you could look the word up.
2. we don't visit you very often because you live so far away
-> If you didn't live so far away, we would visit you very often
3. Sandra can't take a photo because she hasn't got her camera
-> If Sandra had got her camera, she could take a photo
4. She buys a lot of clothes, so she has no money
-> If she didn't buy a lot of clothes, she wouldn't have no money
5. I have to work tomorrow evening, so I can't meet you
-> If I didn't have to work tomorrow evening, I could meet you
6. It's raining, so we can't have lunch in the garden
-> If it weren't raining, we could have lunch in the garden
7. I'm often tired in the morning because i go to bed late
-> If I didn't go to bed late, I wouldn't be often tired in the morning
8. we haven't got a calculator, so we can't work this out quicker
-> If we had got a calculator, we could work this out quicker
9. nick can't find the way because he hasn't got a map
-> If Nick got a map, he could find the way
10. David has so many accidents because he's so clumsy
-> If David weren't so clumsy, he wouldn't have so many accidents
11. I don't write to my friends because i'm so busy
-> If I weren't so busy, I would write to my friends
12. Susan hasn't got a watch, so she's often late for work
-> If Susan got a watch, she wouldn't be often late for work
13. He coughs a lot of because he smokes forty cigarettes a day
-> If he didn't smoke forty cigarettes a day, he wouldn't cough a lot
14. They don't have a garden. They don't grow vegetable
-> If they had a garden, they would grow vegetable
15. I don't have a boat. I won't sail around the world
-> If I had a boat, I would sail around the world
1. Lang Lieu was very poor, so he couldn't buy any special food.
A. Lang Lieu couldn't buy any special food because of he was very poor.
B. Lang Lieu couldn't buy any special food because of he was very poor.
C. Lang Lieu couldn't buy any special food because of he be very poor.
D. Lang Lieu couldn't buy any special food because he was very poor.
2. Unless you go to Hue festival, you won't know why we like the oriental night show.
A. If you don't go to Hue festival, you will know why we like the oriental night show.
B. If you know why we like the oriental night show, you don't go to Hue festival.
C. If you go to Hue festival, you will know why we like the oriental night show.
D. If you come to Hue festival, you won't know why we like the oriental night show.
HỌC TỐT 
Choose the best sentence which has a similar meaning to the given one.
1. Lang Lieu was very poor, so he couldn't buy any special food.
A. Lang Lieu couldn't buy any special food because of he was very poor.
B. Lang Lieu couldn't buy any special food because of he was very poor.
C. Lang Lieu couldn't buy any special food because of he be very poor.
D. Lang Lieu couldn't buy any special food because he was very poor.
2. Unless you go to Hue festival, you won't know why we like the oriental night show.
A. If you don't go to Hue festival, you will know why we like the oriental night show.
B. If you know why we like the oriental night show, you don't go to Hue festival.
C. If you go to Hue festival, you will know why we like the oriental night show.
D. If you come to Hue festival, you won't know why we like the oriental night show.
I . Complete the sentences with because , if , when , or , so
1. We decided to go out to eat ..BECAUSE... to day is my brithday
2. He has a very important job ....SO.. he is part culartly well - paid
3. Do you live in the city ....OR.... in the country ?
4. I had a cold , ........SO.. I had to stay in bed
5. .....BECAUSE.......... she changed a lot , we didn't recognite her
6. ...........IF.......... you're ready , we can start now
7. They'll succeed .....BECAUSE..... they work hard
8. You should inform the police .....IF...... your bike is stolen
9. Marke went to bed ..BECAUSE........ it was too late to go out
10. I was writing annessay at 8p.m yesterday ....WHEN....... paul come
I . Complete the sentences with because , of , when , or , so
1. We decided to go out to eat ...because .. to day is my brithday
2. He has a very important job ....so.. he is part culartly well - paid
3. Do you live in the city .....or... in the country ?
4. I had a cold , .....so..... I had to stay in bed
5. ........because ....... she changed a lot , we didn't recognite her
6. ............because ......... you're ready , we can start now
7. They'll succeed ......when .... they work hard
8. You should inform the police .....because ...... your bike is stolen
9. Marke went to bed ....because ...... it was too late to go out
10. I was writing annessay at 8p.m yesterday ....when ....... paul come
Rewrite the sentences below, using WISH or IF ONLY to express wishes.
1. My father isn't here now. I want him to be here now.
=> I wish he was here now
2. You talk more than you work. The teacher wants you to work more than to talk.
=> The teacher wishé you worked more than talked
3. John would like to be an astronaut when he grows up.
=> John whishes he would like to be an astronaut when he gróws up.
4. I'm sorry I didn't help you yesterday.
=> I wish I had helped you yesterday.
5. I regret that you didn't give me a chance to tell you the truth.
=> I wish you had given me a chance to tell you the truth.
6. Mary is afraid she won't be able to attend your wedding next week.
=> Mary wishes she would be able to attend your wedding next week.
7. We regret that we didn't have enough money to buy that house.
=> We wish we had had enough money to buy that house.
8. You drive too fast. I'd like you to drive more slowly.
=> I wish you drove more slowly.
9. You are too lazy. The teacher wants you to be more studious.
=> The teacher wishes you werre more studious.
10. I'm afraid he won't get over his illness soon.
=> i wish he would get over his illness soon
11. I'm not a doctor.
=> i wish i was a doctor
12. I haven't enough money to buy this book.
=> I wish . I had enough money to buy this book.
13. I live.in a big city. but I don't like it.
=> I wish I didn't live in a big city
14. Nam is sorry now that he didn't accept the job.
=> Nam wishes he had accepted the job.
15. Tomorrow is a workday.
=> I wish Tomorrow wasn't a workday.
16. We have to work this Saturday.
=> we wish We didn't have to work this Saturday.
17. I feel sick because I ate too much ice-cream.
=> i wish I hadn't eaten too much ice-cream.
18. It's pity that you were not here last week.
i wish you had been here last week
19. I regret speaking to him so impolitely yesterday.
i wish i hadn't spoken to him so impolitely yesterday
20. Alan regretted asking Arthur to lend him 20$.
alan wishes he hadn't askd Arthur to lend him 20 cent
21. I want the baby to stop crying.
i wish the baby stopped crying
22. He is sorry now that he didn't invite Molly to his party.
he wishes he had invited Molly to his party
23. The hotel wasn't good.
i wish the hotel had been good
24. I didn't understand the lesson.
i wish i had understood the lesson
25. My friend didn't pass his exam.
i wish my friend had passed his exam
Make conditional sentences according to the facts provided.
1. Keep silent or you'll wake the baby up.
\(\Rightarrow\)If you don't keep silent , you'll wake the baby up.
2. Because you don't leave immediately, I call a policeman.
\(\Rightarrow\)If you leave immediately,I won't call a policeman.3. I don't know her number, so I don't ring her up.
\(\Rightarrow\)If i knew her number ,I could ring her up.4. Go right now or you'll be late for the train.
\(\Rightarrow\)If you don't go right now , you'll be late for the train.5. As she is often absent from class, she can't keep pace with her classmates.
\(\Rightarrow\)If she weren't absent from class she could keep pace with her classmates.
6. I couldn't write to Alice because I didn't know her address.
\(\Rightarrow\)If i had know Alice's address,I could have written to her.
7. I don't know the answer, so I can't tell you.
\(\Rightarrow\) If i knew the answer, I could tell you.
8. We got lost because we didn't have a map.
=> If we had had a map, we wouldn't have got lost.
9. His friends were so late, so they missed the train.
\(\Rightarrow\)If his friends hadn't been so late , they wouldn't have missed the train.
10. Today isn't Sunday, so the pupils can't go swimming.
\(\Rightarrow\)If today were Sunday, the pupils could go swimming.
11. The heavy rain kept everybody from going out.
\(\Rightarrow\)If it hadn't rained heavily, everybody could have gone out.
12. This chair is too heavy for him to move.
=> If this chair wasn't too heavy ,he could move it.
13. He had a flu because he went out in the rain last night.
=>If he hadn't gone in the rain last night , he would't have a flu.
14. The church bells keep me from sleeping.
=> If the church bells didn't ring , i could sleep.
15. Morning exercises make me feel better.
=> If i didn't do morning exercises,i wouldn't feel better.
16. Stop talking or you won't understand the lesson.
=> If you don't stop talking, you won't understand the lesson
17. The boy is so young that he can't go to school.
=>If the boy weren't so young, he could go to school.
18. The fridge keeps the food from spoiling.
=> If there weren’t a fridge, the food would spoil.
19. Why don't you study hard?
=>If i were you ,i would study hard.
20. Why don't you stop smoking?
=>If i were you ,i would stop smoking.
21. Be careful, or you'll cut yourself with that knife.
=>If you are not be careful ,you'll cut yourself with that knife.
22. Be calm, or you'll make a wrong decision.
=>If you are not calm, you'll make a wrong decision.
23. Without the air, we would die.
=>If we lived without air, we would die.
24. Without a visa, she couldn't have come to that country.
=>If she'd had a visa, she couldn't have come to that country.
25. Without the sun, man would live in the darkness.
=>If there were not the sun, man would live in the darkness.
26. Without money, he wouldn't have bought such a big house.
=>If he had money, he wouldn't have bought such a big house.
27. Smoking makes him so weak.
=>If he didn't smoke , he wouldn't be so weak.
28. It was very cold yesterday, so he couldn't go swimming.
=>If it hadn't been very cold yesterday, he wuold has gone swimming.
29. It is very cold, so we can't go swimming.
=>If it weren't cold, we could go swimming.
30. I didn't watch TV last night because I was busy.
=>If i hadn't been bsy , i would have watched TV last night.
1.Unless you send to the hospital, she will die
2.Unless you leave the place immediately, you will be in danger
3.Unless you ask ,she won't explain that ...
4.Unless she makes the mistake again,theman ..
5.Unless Bi and l wait for you,we can take the taxi.
I. Make up sentences with '' unless '':
1. If you don't send to the hospital, she will die.
=> Unless you send to the airport, she will die.
2. If you don't leave the place immediately, you will be in danger.
=> Unless you leave the place immediately, you will be in danger.
3. If you don't ask, she won't explain that reason to you.
=> Unless you ask, she won't explain that reason to you.
4. If she doesn't make the mistake again, the man won't get angry at her.
=> Unless she makes the mistake again, the man won't get angry at her.
5. If Bill and I don't wait for you, we can take the taxi.
=> Unless Bill and I wait for you, we can take the taxi.
6. If you come late, they will punish you.
=> Unless you come early, they will punish you.
7. If I have spare time, I will see you off at the airport.
=> Unless I have spare time, I won't see you off at the airport.
8. I will call you if I have information about the course.
=> Unless I have information about the course, I won't call you.
9. If the students don't understand my lesson, I will explain it to them again.
=> Unless the students understand my lesson, I will explain it to them again.
10. If I see Mr. Tom, I will give him the present.
=> Unless I see Mr. Tom, I won't give him the present.
1. You won't be allowed to come in unless you have the ticket
2. Because of his secretary's coming late to work, he was annoyed
3. We had better not go to that place
4. I'd rather live in the country than in the city