1. My kitchen is smaller than yours.

 Your kitchen is bigger than mine

2. No one in the class is taller than Dave.

 Dave is the tallest student in the class

3. Mum doesn’t speak English as well as Dad.

 Dad speaks E better than Mum

4. Lan is better cook than Hoa.

 Hoa can’t cook as well as Lan

5. No restaurant in the city is better than that one.

 That restaurant is the best in the city

6. This watch is worse than that one.

 That watch is better than this one

7. My sister writes more carefully than she did.

 she didn't write as carefully as my sister

8. This story is more interesting than any other story that I have ever read.

 This is the most interesting story l have ever read

9. She is the most beautiful girl I have ever known.

 I’ve never known any more beautiful girl than her before

10. Peter does not drive so carefully as Tom.

 Tom drives more carefully than Peter.