Ex: Tìm những lỗi sai rồi sửa lại. 1. I enjoy listening to music and go dance with my friends. 2. I suggest collect stamps and coins. 3. He must finishing all his homework before go to school. 4. My parents and I am always busy at Saturday. 5. She would like going out for her mom. 6. How long did you have learnt French? 7. The palace sold twenty years ago. 8. What about play chess instead of go to the cinema? 9. They’ll have to change the date of the meeting again, don’t they? 10. He has been collecting stamps for five years, doesn’t he? 11. It is interested gather together for a party. 12. Let’s play table tennis together in the afternoon, won’t they? 13. If you will get here before eight, we can catch the early train. 14. He must stay in bed so he has a bad cold. 15. Although my next-door neighbor is not very cleverly, he is hard-working. Giúp em vs ạ