Task 2 comparative or superlative

1. My sister thinks she's more intelligent than me, but I don't agree!

2. Avatar is probably the worst film I've seen!

3. What is the wettest month of the year in England?

4. Do you think the Harry Potter films are better than the books?

5. Who is the most powerful person in your country?

6. Is Angelina Jolie older than Sandra Bullock?

7. John is the nicest person that I know.