1. Richard isn't older than her looks.

2. This hotel is the most comfortable.

3. The table is as big as the desk.

4. My brothers is fitter than I am.

5. The skirt is more expensive than the dress.

6. The kitchen is bigger than the living-room.

7. It's the most interesting book I've ever read.

8. John is the cleverest in my class.

1. Richard is younger than her looks(old ).

`⇒` Richard isn't as old as he looks.
2. This hotel more comfortable than all the others(most)

`⇒` This hotel is the most comfortable.
3. The table and the desk are the same size(big).

The table is as big as the desk.
4. I'm not as fit as my borthers(am)

`⇒` My brother is fitter than I am. 
5. The dress is cheaper than the skirt(expensive)

`⇒` The skirt is more expensive than the dress.
6. The living-room isn't as big as the kitchen(than).

`⇒` The kitchen is bigger than the living-room.
7. I've never read a more interesting story(most)

`⇒` It's the most interesting story I've ever read.
8. No one in my class is as clever as John(the).

`⇒` John is the cleverest student in my class.