(    ) 13. —_________ we keep the room clean enough all the time?

—No, you _________.

A. Must; must       B. Do; don’t have to

C. Must; needn’t     D. Must; mustn’t

(    ) 14. Are you good at ______?

A. swim      B. swimming      C. to swim      D. swam

(    ) 15. Tom's brother is ______ than him.

A. funny      B. funnyer      C. more funny      D. funnier

(     ) 16. ---May I go shopping with you?

---¬¬_________. The shop isn’t far from here, Let’s go.

A. It doesn't matter.       B. Not at all.

C. Yes, you can.       D. Sure.

17. It was an ___________soccer game. The soccer players were very _____.

A. exciting, exciting B. exciting, excited

C. excited, excited  D.excited, exciting

(     ) 18. I like this book. This book is           than that one.

A. much interesting      B. little interesting

C. more interesting      D. less interesting

(     ) 19. What’s ____________ food in China?