31.She (work) ........so hard this week that she(not have)....... time to go to the cinema 32.Your hair is wat.(You swim).......for a long time? 33.You look very tired.(You wok) .........very hard? 34.The telephone (ring).......for 2 minutes, but I (not answer)........it yet 35.Saigon..........(grow) now into a big city 36.I.......(not see) Nam for a long time.I......(see) him last three years ago. 37.The bell.........(ring) so we must go 38.I.......(meet) Mary last night. She........(become) a very big girl 39. He is very thirsty; He.......(not drink) for twenty-four hours. 40.Nam.....(be) in this school for four years (and he is still here) 41. My mother........(be) in hospital for a long time and she cannot go home yet 42.She .....(read) a lot of books this year 43. Ever since he left university he .....( have) 5 different jobs in different cities 44.When he was ten he.....(run) away from home 45.How many cigarettes.....you........(smoke) today? 46.In those days, mum.........(look) after us very carefully 47.Shakespreare........(write) plays as well as poems. 48. Since my father retired, he......(write) three books 49.Iam not studying today. I.....(study) a lot yesterday. I.....(study) a lot this week. 50.Could you imagine I.......(make) ten phone calls abroad today? 51.How long........you.......(be) here for? 52.I........(like) English all my life. 53.I.......(want) to be a doctor until I was twenty 54.They...........(unemploy) since they left London 55.How long......you......(study) French? 56.I..........(not read) many novels since I went to university. 57.When I was a child, I....(like) street fook 58. I......(have) trouble concentrating for a week now. 59.He ............(learn) a lot in his job. 60.My friend Lan and I...........(know) each other for ages.