1. The supermarket is less expensive than the one across the street.

2. The English teacher has been teaching at our school for 3 years . 

3. My doctor said: " You shouldn't eat in front of the television.

4. If you don't study harder, you won't pass the exam . 

5. Hanoi's suburdan areas aren't as noisy as its urban districts.

6. What about going to  uncle Huan's farm this weekend.

7. Sarah had difficulty in learning to read in Japanese.

8. The book was to complicated for us to understand.

9. Sarah studied in the past more diligently than now

10. The first books were printed by the Chinese more than a thousand years ago. 

1. The supermarket is less expensive than the one across the street.

2. The English teacher has taught at our school for three years.

3. My doctor said I shouldn't eat in front of the television.

4. If you don't study harder, you won't pass the exam.

5. Its suburban areas are not as noisy as Hanoi urban districts.

6. How about going to uncle Huan's farm this weekend?

7. Sarah had difficultly in learning to read in Japanese.

8. The book was too complicated that we couldn't understand it.

9. In the past, Sandy studied more diligently than she does now.

10. The first books was printed by Chinese more than a thousand years ago