Answer:

Bài 3:

1. We hurried to school so that we wouldn't be late.
 2. He climbed the tree in order that he could get a better view.
 3. Some young people like to earn their own living in order that they can be independent of their parents.
 4. We should do morning exercises so that we can improve our health.
 5. We should take advantage of the scientific achievements of the world so that we can develop our national economy.
 6. Every people in the world must unite their efforts in order that they can maintain and protect peace.
 7. She put on warm clothes so that she could catch cold.
8. He hurried to the station so that he wouldn't miss the train.
 9. She locked the door in order that she wouldn't be disturbed.
 10. I tried to be on time so that I wouldn't make our teacher sad.

Bài 4:

1.I’m studying hard in older that I can keep pace with my classmates.

2.Alice prepares her lessons carefully so that she can get high marks in class.

3.Please shut the door in order that the dog can't go out of the house.
4.I wish to have enough money so that to buy a new house.
5. You should walk slowly in older that your sister can't follow you.

6.They did their job well so that the boss would increase their salary

7. We turned on the lights in older not to waste electricity

8.We lower the volume so as not to bother our neighbours

9.The robber changed his address all the time in older that the police couldn't to find him 

Trang 3:

7. I spoke loudly so that everybody could hear me clearly.

8. Mary often goes home as soon as the class is over so that her mother won't wait for her.

9. Tom gets up early in order not to be late for school.

10.Wellfrog hid the sweets under his pillow so that his mother can't see them.

# Study well <33

Ex3:

1. We hurried to school so that we wouldn't be late.
2. He climbed the tree in order that he could get a better view.
3. Some young people like to earn their own living in order that they can be independent of their parents.
4. We should do morning exercises so that we can improve our health.
5. We should take advantage of the scientific achievements of the world so that we can develop our national economy.
6. Every people in the world must unite their efforts in order that they can maintain and protect peace.
7. She put on warm clothes so that she could catch cold.
8. He hurried to the station so that he wouldn't miss the train.
9. She locked the door in order that she wouldn't be disturbed.
10. I tried to be on time so that I wouldn't make our teacher sad.

Ex4:

1. I’m studying hard in older that I can keep pace with my classmates.

2. Alice prepares her lessons carefully so that she can get high marks in class.

3. Please shut the door in order that the dog can't go out of the house.
4. I wish to have enough money so that to buy a new house.
5. You should walk slowly in older that your sister can't follow you.

6. They did their job well so that the boss would increase their salary

7. We turned on the lights in older not to waste electricity

8. We lower the volume so as not to bother our neighbours

9. The robber changed his address all the time in older that the police couldn't to find him 

ẢNH CUỐI:

7. I spoke loudly so that everybody could hear me clearly.

8. Mary often goes home as soon as the class is over so that her mother won't wait for her.

9. Tom gets up early in order not to be late for school.

10. Wellfrog hid the sweets under his pillow so that his mother can't see them.