1. Last summer was not cool as this summer.
2. I am not better at Math than you.
3. They were selected to be partners for a project.
4. That essay wasn't written by Steve.
6. Neither plants nor animals can live in this desertification area..
7. This is the third times I have been to the restaurant.
8. Not only does Peter like English but he also learns it well.
9. Was that letter sent to Mr. Thomas?
10. It was 1990 when I was born.