tìm và sửa lỗi: 1. I go to school at 6.40 o' clock. 2. My School finish at 11.30. 3. What do your sister do?- She's a pupil. 4. Mai father water the flowers Yesterday morning. 5. He goes on bed at 9.45. 6. Mai mother gets up early on the morning. 7. Mr. Tuan is a doctor. He works in the field. 8. Her grandfather plants rice vegetable and raises pig, chicken. He is a Factory worker. 9. Mr. Lien teachers English at school. She is a pupil. 10. There is four people in the family: my father, my mother,my brother and me.