II. Sửa lại câu
1. In this school, athletics are compulsory.
2. Tom looked sadly when I saw him yesterday.
3. Shall we play a volleyball ?
4. He skateboarded carelessly and landed over his back.
5. I ought go to the post office this afternoon.
6. The pineapples aren't ripe. Neither aren't the mangoes.
7. Milk is very goof to growing children.
8. You had batter to take some exercise.
9. My brother doesn't like durians and I don't like them, too.
10. Viet not get up early and do morning exercise yesterday.
11. Last week, the dentist felt a cavity in my broken tooth.
12. You looked tired. You had better staying inside at recess.
13. Nam is having a medical check up and so I am.