tìm lỗi sai và sửa
1. The doctor advised him to cover the burn area with a thick sterile dressing
2. Everybody I know like to eat chocolates and ice-cream
3. Smoking cigarettes are not allowed in this hospital
4. These bags are too expensive for we to buy at this time
5. The film is too interesting that I've seen it twice
6. The old man opened the door by his keys
7.She got up early in order to not be late for school
8. The boys hurt himself when they jumped down from the tree
9. Would you mind if I turn down the radio?
10. The returned ticket is more expensive than the single one.