1. The less junk food we eat, the healthier we will be.
2. His eyesight is poor / He has poor eyesight because of too much work he did.
3. As the capital city, the population of Hefei is larger than that of any other city in Anhui.
As the capital city, Hefei has a larger population than any other city in Anhui does.
4. English is the most widely used in the world.
5. There are trees on either side / both sides / each side of the street.
6. He spent all his time watching the cars coming and going.
7. She seldom / rarely / hardly does any cleaning at home.
8. Have you ever read such an interesting comic book?
Have you ever read so interesting a comic book?
9. When I got home, my mother was doing some cooking.
10. We need two more people / another two people to lift the heaviest box.
(答案不唯一)