Bài 1: Sửa lỗi sai.
1. He stepped onto the scales and saw that he was the same weight like his friend.
2. Jane was surprised that he spoke so childish.
3. The doctors have to go to school for many years to complete their education.
4. He put his keys in his coat pocket so that he would not loose them.
5. That new medicine will not be ready available until next year.
6. Roberts's new home is more expensive than any house in the neighborhood.
7. Read carefully the instructions on the page six before you attempt to do the exercise.
8. We didn't enjoy the party because it did not have many entertainment.
9. If she were the only person available, we would have had to hire her.