42. –I hear there will be a concert of Sun Yanzi .　 ____will it start?–In two days .

　 A. How soon　 B. How long　 C. How often　 D. How far

41. He ____ in the classroom just now . He ____ be there now .

A. heard to sing ; may B. was heard sing ; mustC. heard sing ; must D. was heard to sing ; may

40. –Would you mind ____ my pet dog while I’m away ?–Sure , no problem .

　 A. take care of　　 B. taking careC. to take care of　 　D. taking care of

39. Sam enjoys ____ stamps , And now he has 226 of them .

　 A. to collect　 B. collected　 C. collects　 D. collecting

38. –You can get such information on computer .–But I don’t know how ____ the Internet .

　 A. search　　 B. searching　 C. searched　 D. to search

37. Don’t make me ____ this or that . I’m too busy ! A. to do　 B. do　 C. doing 　D. done

36. –My parents always tell me ____ others late at night . –They’re right . It’s not polite .

　 A. call　　　 B. not call　　 C. to call　　 D. not to call

35. –I am sorry I ____ my exercise book at home .–Don’t forget ____ it to school tomorrow , please .

　 A. forget ; to take　 B. left ; to bringC. forget ; to bring　 D. left ; to take

34. The English-Chinese dictionary helps me a lot . I often ____ new words in it .　

　 A. put up　　 B. pick up　　 C. catch up　　 D. look up

33. –It _ the Chinese people eight years to build the Three Gorges Dam (三峡大坝) . –How great !

A. spends　　 B. costs　　　 C. paid　　　 D.took