Exercise 1:

1-> 3: đề mờ quá mình không nhìn ra

4, It makes stamp collecting become very popular.

5, As you look at the pages of a stamp album, you can learn interesting details such as foreign customs, arts, literature, history and culture.

6, Their colors can make you feel relaxed and happy.

7, Collecting stamps can become a business.

8, If you are lucky in finding a special stamp, it will bring you some money beside knowledge and pleasure.

Exercise 2:

1, We keep our bodies warm to avoid catching a flu or a cold.

2, Getting enough rest helps you concentrate at school.

3, Vitamins play an important role in our diet.

4, You do not play more computer games in free time.

5, Doctor is asking Mai questions about health problems.

Exercise 3:

1, Nick washes his hands a lot so that he will not have the flu.

2, David eats a lot of junk food and he doesn’t do exercise.

3, Doctor told Elena that she should sleep more and she should try to relax more.

4, My sister plays computer games but she does exercise too.

5, Eating carrots helps you see objects more clearly at night.

 Chúc bạn học tốt nhé!

Đây m gửi bn:

Ex1:

1. =>Stamp collection is an interesting hobby.

2. =>You can learn many things, such as the geography of a country from stamps.

3. =>Postal stamps are a source of interesting facts and important dates about every country in the world.

4. =>It makes stamp collecting become very popular.

5. =>As you look at the pages of a stamp album, you can learn interesting details of foreign customs, arts, literature, history and culture.

6. =>Their colors can make you feel relaxed and happy.

7. =>Collecting stamps can  become a business.

8. =>If you are lucky in finding a special stamp, it will bring you some money besides knowledge and pleasure.

Ex2:

1. We should keep our bodies warm to avoid flu or a cold.

2. Getting enough rest helps you (to) concentrate well at school.

3. Vitamins play an important role in our diet.

4. You should not play more computer games in your free time.

5. The doctor is asking Mai some questions about her health problems.

Ex3:

1. Nick washes his hands a lot, so he doesn't have a flu.

2. David eats lots of junk food, and he doesn't do exercise.

3. The doctor told Elena that she should sleep more, or she should try to relax more.

4. My sister play computer games, but she does exercise too.

5. Eating more carrots helps you see objects more clearly at night.

@latte