Bài 1: Sửa lỗi sai.
1. Do not go to the mountains without no sturdy hiking boots.
2. Please try to entirely revise your work before you leave for school.
3. Mary prepared dinner when I arrived, so we were able to eat immediately.
4. She said she would buy a new table's lamp for her living-room.
5. He spoke so good Chinese that he surprised everyone.
6. If I saw him. I would have reminded him about his appointment.
7. They might go to the store a few minutes ago.
8. If Bob had received his check on time, he had certainly bought a new suit.
9. Although she was rich, she wore few jewelry.
10. When my baby brother got very ill, I must have called the doctor immediately.
11. Since he has bought a new car, he has been driving to work every day.
12. The building was as large that we had difficulty finding his office.
13. To my surprise, Bill has the least stamps of anyone in his class.
14. If she had told me that she did not have enough money, I would pay for her trip last summer.
15. Like other people in our area, we did not eat many fruit in the winter.