1. The boy was enough intelligent => intelligent enough to solve that problem.

2. The girl helped => helping me with the needlework yesterday is my classmate.

3. They asked their friends not play => to play soccer in the road.

4. Hanh is the same weigh => weight as my sister.

5. It is careless for => of you to leave your book on the train.

6. My brother used to going => go to the movies with our father.

7. Hoa asked me if => whether I could have a picnic with her in the country or not.

8. Most of monkeys both in the forest and in the zoo are interesting => interested in bananas.

9. It takes Nam thirty minutes going => to go to school on foot everyday.

10. Not only Ha but also her friends was => were present in my fifteenth birthday party.