2. bỏ necessary

4. isn't - is

won - win

6. isn't easy - it not easy 

7. asked him if he could speak any other languages

8. interested in - forward to

9. she worked hard, so - working hard,

10. It's necessary for the students in grade 9 to pass....

1. wher my school was

2. need to sudy English these days 

3. you practice speaking regularly, you will speak English well

4. he is lazy, he will win the game

5. you keep silent, you can understand

6. difficult learning a foreign language

7. if he could speak any other language

8. forward to participating...

9. working hard, Hoa passed her exam easily

10. for the students in grade 9 to pass the final ...