=>
IV/
1. You ought to brush your teeth before going to bed.
2. I am interested in picture book.
3. Peter plays soccer skifully.
4. Why don't we go to the beach?
5. The sailors prefer the sea to the land.
6. Hoa is the most beautiful girl in our school.
7. It is very difficult to find a bike here.
8. She spent three days visiting Ha Noi.
9. My brother doesn't work as hard as my father.
10. Is this the best stereo that you have?

2.collection

4.famous

6.well

7.physical 

8.furthest

9.differences

10.popular.

Những câu còn lại không nhìn rõ.

IV.

1.You ought to brush your teeth before going to bed.

2.I am interested in picture book very much.

3.Peter plays soccer skillfully.

4.Why don't we go to the beach?

5.The sailor prefers the sea to the land.

6.Hoa is the most beautiful in our school.

7.It is very difficult to find a bike here.

8.She spent three dáy visiting Hanoi.

9.My brother doesn't work as hard as my father.

10.Is this the best stereo you have?