30. I like to live in a house ________ is big and bright.

A. that B. who C. how D. why

29. ---Let”s chat online.

---__________.

A. Not at all B. Thank you C. Gook luck D. Good idea

28. Mobile phones are very popular now and they are _________ than before.

A. cheap B. cheaper C. cheapest D. the cheapest

27. Don”t forget to bring me a _________. I”ll post a letter.

26. My cousin has changed a lot. She used to be _________, but now she is tall.

A. short B. thin C. pretty D. heavy

25. ---________ I borrow your MP3?

---Sure. Here you are.

A. May B. Should C. Must D. Would

24. ---Where is Frank now?

---He _______ his bike in the yard.

A. fixes up B. fixing up C. is fixing up D. fixed

23. ---_______ is your favorite sportsman?

---Liu Xiang.

A. How B. When C. Who D. Which

22. I study for a test ____________ working with a group.

A. in B. by C. at D. to

从下列各句所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项。

21. My sister is a clerk. ________ works in a bank near here.

A. She B. He C. I D. You