figure out　　　　　　　　　 弄清楚，明白

take a deep breath　 　　　　　　　　深呼吸

challenge /'tʃælindʒ/ n．　　　　 　 挑战，考验

participate /pɑː'tIsIpeIt/ vi.　　　　 参加，参与

36.Tom !　 You _____on the phone just now, but you _____in.

A.wanted , were　　 B. are wanted , are 　C. were wanted , weren’t　　 D. called , aren’t

35. The dirty clothes ___ by his mother now.

are washed　 B. are washing　 C. were washed　 D. are being washed

34. Tell me what _____ next.

A.to be finished 　B. Be finished　 　C. To finish　　 D. Finish

33.The idea seems good but it needs_____.

A.Trying on 　B. To try at　 C. To be tried out　 D. Being tried

32. He said that his teeth needed ____.

A.to be repaired　 B. repair　 C. repaired　　　 D. to repair

31. Everyone knows that paper ____ in China.

A was made first　　 B. at first was made　 C. was made at first　 D. was first made

30.The room had better ____ this afternoon.

A.be cleaned　 B. to be cleaned 　　C. clean　　　 D. to clean