1. B

2. A

3. C

4. B

5. A

6. B

II.

1. wettest

2. cheaper

3. more important

4. more expensive

5. most beautiful

V.

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.

5. Kien is Mr Hung's son.

Bài 1:

1.B

2.A

3.C

4.B

5.A

6.B

Bài 2 :

1.wetest

2.cheaper

3.more improtant

4.more expensive

5.more beautiful

Bài 3:

1.There are many beautiful beach in VN

2.Minh is the tallest in my class

3.The museum is in front of the hospital

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

5.Kien is mr Hung's son