1.It's colder today than it was yesterday.

2. We are busier today than (we are) every day.

3.Jane's sister doesn't cook as well as she does.

4..nobody in this  team plays football better than tom

5.Her new house is not as big as her old one.

6.Peter is the tallest in my class.

7.The white dress is not as expensive as the black one

8.According to me , Math is more difficult than English

9.Mary is the most intelligent in my group

10.The Nile is the longest river in the world.

11.No mountain in the world is higher than Mount Everest.

12.She is the prettiest girl I have ever met.

13.The more he works, the more tired he feels.

14.That computer doesn’t work so/as well as that one.