1. We are necessary to come to class on time.

2. The Red River is not as long as The Nile River.

3. Tet is the biggest holiday in Vietnam.

4. You should say "Thank you" to a person.

5. Can you tell me sth about your neighbourhood.

6. Geography is Jerry's favourite subject,

7. Your neighbourhood is noisier than mine.

8. I think reading books is not as exciting as playing computer games.

9. Would you like to have dinner with my family?

10. He is good at math

11. There is not any bookshelf in my bedroom.

1. We are necessary to come to class on time

2.  The Red River is shorter than the Nile River

3.  Tet is the biggest other holidays in Vietnam 

4. You should say"Thank you" to a person that helps you

5. Can tell me something about your neighbourhood

6. Jerry favourite is studying geography

7. Your neighbourhood is noisier than my neighbourhood

8. I think reading books is more boring than playing computer game

9. He's very good math

10. There isn't have a bookshelf in my bedroom