1. so as to / to / in order to         2. so that           3. so that         4. so as to / to / in order to

5. so that              6. so as to / to / in order to                    7. so that

8. so as not to / in order not to                                 9. so as not to / in order not to

10. so that

1 so

2 so

3 Therefore

4 However

5 Therefore

6 but

7 However

8 Therefore

9 However

10 so

1 will miss

2 will lend

3 will meet

4 will help

5 will go

6 am going to visit

7 will buy

8 will go

9 will have travelled

10 finish - will have prepared

1 needn't

2 needn't

3 mustn't

4 mustn't

5 needn't

6 mustn't

7 needn't

8 needn't

9 mustn't

10 needn't

1. You ______need not_____ ring the bell; I have a key.
2. We ______need not_____ drive fast; we have a plenty of time.
3. We ____musn't_______ drive fast; there is a speed limit here.
4. Candidates _____musn't______ bring books into the examination room.
5. You ____need not_______ write to him for he will be here tomorrow.
6. We ______musn't_____ make any noise or we’ll wake the baby.
7. You ____need not_______ do all the exercises. Ten sentences will be enough.
8. I want this letter typed but you _____need not______ do it today. Tomorrow will do.
9. You ____musn't_______ take anything out of the shop without paying for it.
10. You ____musn't_______ carry that parcel home yourself; the shop will send it.

1. The car crashed ___because________ the driver was careless.

2. He walked slowly ___because of_____ his hurt leg

3. We didn’t go out ____because______ it rained heavily.

4. She went to bed early _____because_______ she felt tired.

5. I can’t sleep ____because of______ the hot weather.

6. He retired last month ____because of_________ his illness.

7. They stayed at home ____because________ it rained.

8. The boy was punished ____because of_______ his bad behavior.

Bài 1:

1. because 

2. because of

3. because 

4. because 

5. because of

6. because of

7. because 

8. because of

1. any

2. some

3. any

4. any - some

5. some

6. any

33. because of -> bỏ of

34.Where -> which

35.and -> but

36.What->Why

37.couldn't -> can't hoặc isn't -> wasn't.

VII. Tìm lỗi sai trong câu và sửa :

33. Hoang didn’t win the race because of he ran too slowly.
- Hoang didn’t win the race because he ran too slowly.
34. Where performance in the concert was the most interesting?
- Which performance in the concert was the most interesting?
35. Tom wants to go overseas and he does not have enough money.
- Tom wants to go overseas but he does not have enough money.
36. What do you learn english ? – Because I want to communicate with foreigners.
- Why do you learn english ? – Because I want to communicate with foreigners.
37. If there isn’t enough food, we couldn’t continue our journey.
- If there isn’t enough food, we can't continue our journey.

20. Circle the correct word

1. Don't spend too much/many time watching TV . You haven't finished your essay yet.

2. I haven't got enough /much eggs to make a cake .

3.You've spent too many/much money on these clothes .

4. There are too much/many flowers in the vase.

5.Jenny doesn't have many /enough money to buy a computer.

6. There isn't much/many jam left in the jar

20. Circle the correct word

1. Don't spend too much/many time watching TV . You haven't finished your essay yet.

2. I haven't got enough /much eggs to make a cake .

3.You've spent too many/much money on these clothes .

4. There are too much/many flowers in the vase.

5.Jenny doesn't have many /enough money to buy a computer.

6. There isn't much/many jam left in the jar

20. Circle the correct word

1. Don't spend too much/many time watching TV . You haven't finished your essay yet.

2. I haven't got enough /much eggs to make a cake .

ENOUGH

3.You've spent too many/much money on these clothes .

MUCH

4. There are too much/many flowers in the vase.

MANY

5.Jenny doesn't have many /enough money to buy a computer.

MUCH

6. There isn't much/many jam left in the jar

MUCH

1. I don’t know your address, so I can’t write you a letter.
 If ………I knew you address, I could write you a letter. …………………………………………………………………………………………..
2. I live in a countryside because I don’t have a house in the city.
 If ………I had a house in the city, I wouldn't live in a countryside…………………………………………………………………………………………..
3. If you don’t start early, you will miss the train.
 Unless……you start early, you will miss the train. ………………………………………………………………………………………...
4. She didn’t call me last night because she didn’t know my phone number

 If…………she had known my phone number, she would have called me last night………………………………………………………………………………………...
5. They cancelled the trip because it rained heavily.
 If ………it hadn't rained heavily, they wouldn't have cancelled the trip………………………………………………………………………………………….
6. He is overweight. He eats too much
 If …he didn't eat too much, he wouldn't be overweight……………………………………………………………………………………………….
7. The room is cold because they leave the door open.
 If …………they didn't leave the door open, the room wouldn't be cold……………………………………………………………………………………….
8. Unless she works hard, she will fail the next exam.
 If…she doesn't  work hard, she will fail the next exam. ………………………………………………………………………………………………..
9. I didn’t buy a bicycle because I didn’t have enough money.
 I would…have bought a biccycle if I had had enough money…………………………………………………………………………………………
10. You got into so much trouble because you didn’t listen to me.
 Had…you listened to me, you wouldn't have got into so much trouble …………………………………………………………………………………………….