55. You _______(come) here last year,______you?

54. How long ______you_______(live) in this town?

53. It's better to give than________(receive).

52. The Readers_________(not listen) to the radio at that time.

51. The students of Class Two________(sweep) their classroom now.

50. Would you mind _______(use) your bike?

49.I_______(teach) here since I finished school.

48.Thank you for helping us. We finished ______ (clean) the classroom on time.

33.Look! A little girl is ___________________ (swim) in the river(河). 34.Li Lei ____________ (join) the League in 2001. 35.Do you like ____________ (watch) TV? 36.My brother will call me as soon as he _________________(reach) there. 37.The children won't go to the zoo if it ________________ (rain) the next day. 38.I don't like ___________ (cook) at all. 39.They______________ (go) the Summer Palace six years ago. 40.It's eight o'clock. The students　 _____________ (have) an English lesson. 41. Where ________ Zhou Nan ________ (teach)? She _________ (teach) in No. 2 Middle School. 42. Rebecca___________ (come) from the United Kingdom. 　 43.Listen, the birds ________________ (sing) in the tree. 44.Let's _________ (speak) English. 45. I'm sorry ___________ (wake) you up. 46. My parents are busy ______________(get ) ready for the visitors. 47.I think you'd better ___________(not go) out alone at night

32.The headmaster said a libarary _________(build) here next term.