I

1. A

2. C vẫn 

3. A trẻ hơn

4. B

5. C nấu ăn trong bếp

6. A

7. A: chăm sóc

8. B

9. B

10. D

II

1. longer

2. taller

3. the most intelligent

4. larger than

5. the oldest

6. more comfortable than

7. the most dangerous

8. busier

9. the best

10. the highest

III

1. It's is interesting to watch them play foofball

2. I was sick, so I didn't go to school

3. You should eat less meat and more vegetables

4. His hobby is playing computer games in his free time

5. I enjoy watching Tv in the evening

6. I find it important to learn English

8. There 's a sink, a tub and a shower in the bathroom

9. He loves working on a farm

10. The apartment is the most comfortable for us because it is near the city center

III

1. How far is it from Da Nang to Hue?

It is about 100 km

2. How far is it from your house to the supermarket?

It is about 5km

3. How far is it from the school to the bus stop?

It is about half a km

4. How far is it from HCMC to Ha Noi?

It is over 1700km

Bài 1 :

1 B

2 C

3 D

4 B

5 C

6 A

7 A 

8 B 

9 B

10 B

Bài 2:

1 larger than

2 talller

3 the most intelligent

4 longer than

5 the oldest

6 more comfortable

7 the most dangerous

8 busier

9 the best

10 the highest 

Bài 3 :

1 It's is interesting to watch them play foofball

2 I was sick, so I didn't go to school

3 You should eat less meat and more vegetables

4 His hobby is playing computer games in his free time

5 I enjoy watching Tv in the evening

6 I find it important to learn English

8 There 's a sink, a tub and a shower in the bathroom

9 He loves working on a farm

10 The apartment is the most comfortable for us because it is near the city center

Bài 4 : 1 How far is it from Da Nang to Hue ? 

             - It is about 100 km 

2 How far is it from your house to the supermarket ?

             - It is about 5 km 

3 How far is it from the school to the bus stop?

             - It is half a km

4 How far is it from Ho Chi Minh City to Hanoi?

            It is over 1700 km