Ответ:

1. There are a lot of big shops in London.  

 2. Peter is the best pupil in the class.  

 3. Mr Smith is older than Mr Grey.  

 4. I think that the monkey is the funniest animal.  

 5. The elephant’s nose is the longest.  

 6. I think Mary is more beautiful than Sally.  

 7. I think that the parrot is a clever pet.  

 8. This white puppy is nicer than that black one.  

 9. What an interesting story it is!