1. The wheel was invented thousands of years ago.

2. Is the statue of Chu Van An being built? 
3. Is the Temple of Literature surrounded by four busy streets?

5. We hasn't been taught by Mr Binh since the last semester.

6. That experiment is being done by a student.

7. Was this dictionary bought 2 weeks ago?

8. I am not impressed by Alan's knowledge about science and technolog. 

9, A new school is going to be built here next year. 

10. This computer has been used for 2 years. 

11. Quang has been offered the opportunity to studay abroad. 

12. Did a lot of presents given to Tom on his birthday? 
Bn hok tốt!!

Vote 5* và hay nhất cho mik nhé!!!