điền must hoặc mustn't ----- Nội dung dịch tự động từ ảnh ----- 4. You 5. You 6. You 7. You 8. You 9. You 10. You 11. You 12. You 13. You 14. You relax sometimes. sleep all day. eat lots of vegetables. get angry easily. watch too many hours of TV. stay up very late at night. get enough sleep. read some good books. eat lots of cheeseburgers and fries. drink lots of water. forget to smile and say 'hello' to people.