Bài 1 : Tìm và sửa lỗi sai trong mỗi câu                                                                                                            
1. The boy was enough intelligent to solve that problem.
2. The girl helped me with the needlework yesterday is my classmate.
3. They asked their friends not play soccer in the road.
4. Hanh is the same weigh as my sister.
5. It is careless for you to leave your book on the train.
6. My brother used to going to the movies with our father.
7. Hoa asked me if I could have a picnic with her in the country or not.
8. Most and monkeys both in the forest in the zoo are interesting in bananas.
9. It takes Nam thirty minutes going to school on foot everyday.
10. Not only Ha but aslo her friends was present in my fifteenth birthday party.