Sửa lỗi sai trong các câu sau:
1. Gloria made a lot of friends by Work in the cafeteria.
2. You should do nothing but waiting
3. The doctor suggested that she does not smoke.
4. It is important that medicines are checked.
5. Most children enjoy reading picture books while teenagers prefers novels. b a
6 Almost everyone fails passing his driving test on the first try
7. When my grandfather was young, he used to walk along the river, and watching b boats.
8. A city University professor reported that he discovers a vaccine which could reduce a the instances of tooth decay among children.
9. Fertilizers are used primarily to enrich the soil and increasing yield
10. Because the approaching storm, the wind began to blow hard and the sky became dark