7. I like living in the countryside. It’s _________ living in a town.

A. peaceful than

B. more peaceful than

C. more peacefully than

D. more peace than

8. If you want to save money, you should _________ the amount of water your family uses.

A. increase                 

B. adapt

C. repair

D. reduce

9. Nobody likes his behavior, _________.

A. doesn't he              

B. do they

C. don’t they

D. does he