2. We haven't been taught by Miss. Diep since the last semester.

3. Our English lessons are taught by Mr. Vinh.

4. That experiment is being done by a student.

5. We are given a free period this Saturday to prepare the festival by our teachers.

6. Was this dictionary bought 2 weeks ago?

7. Our teeth should be cleaned twice a day.

8. I am not impressed by Alan’s knowledge about science and technology.

9. All of us are driven to school by her father everyday.

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