12

1a

2a

3d

4c

5a

13

1d

2b

3b

4a

5c

16

1a

2d

3b

4a

5c

21

1c

2d

3a

4b

5b

22

1b

2c

3d

4a

5b

10.

a. 

1. Take the second turning on the left.

2. Is there a park near your house?

b. 

1. Hang is taller than Hoa

2. Tokyo is the largest of the three cities.

11. 

1. You shouldn't play computer games so much

2. You must do your homework before going to school.

3. Lan is the most intelligent student in my class.

4. We mustn't throw rubbish.

5. Keangnam Tower is shorter than the Shanghai World Financial Centre.

12. 

1. C

2. B

3. D

4. B

5. A

13.

1. D

2. C

3. A

(Câu 4,5 bài 13 với bài 14 mình không nhìn được)

15. 

(1) staying

(2) are

(3) noisy

(4) cleaner

(5) air

(6) backyard

I. 

1. There are many beautiful beaches in Viet Nam.

2. Minh is the tallest student in my class.

3. The museum is in front of the hospital.

4. Lan's house is more expensive than my house/mine.

5. Kien is Mr. Hung's son.

16. 

1. C

2. B

3. A

4. D

5. D

17. 

1. noisy

2. highest

3. teacher

4. sporty

5. polluted

19. 

1. B

2. C

3. A

4. C

5. A

20. 

1. The microwave is behind the dog.

2. There are twenty classes in my school.

3. You must do your homework.....

4. The red car is cheaper than the black car.

21.

1. D

2. A

3. D

4. A

5. A

22. 

1. B

2. B

3. D

4. C

5. C