40. We need to find an effective way to_______ traffic jams because they

Have increased rapidly for many years.

A. help B. collect C. recycle D. reduce

41. They need some volunteer_______ to help street children by teaching them English.

A. doctors B. nurses C. tutors D. engineers

42. He sometimes visits and brings some presents for elderly people at the_______

A. nursing home B. sports centre C. post office D. bus station

43. My mother used some_______ to cover my cuts when I fell down ______in the garden.

A. shelters B. coupons C. murals D. sticking plasters

44. Mai and her friend_______ a sum of money to the community centre to help disabled children last month.

A. have donated B. donated C. has donated D. are donating

45. The teacher_______ his students to hand in their assignments this morning.

A. asked B. has asked C. will ask D. is asking

46. We_______ a project to improve the living conditions for homeless people two days

ago. They_______ in difficult conditions for a long time.

A. attended/ lived B. have attended/ lived

C. attended/ have lived D. have attended/ have lived

47. My mother _______ dinner at home because she _______ to care for my grandma in

the hospital last evening.

A. didn't eat/ had B. ate/ had

C. hasn't eaten/ had D. has eaten/ has

48. He_______ his aunt since he_______ a little child. She_______ to the mountains

and_______ as a teacher many years ago.

A. hasn't met/ was/ has gone/ volunteered

B. didn't meet/ was/ hasn't gone/ didn't volunteered

C. hasn't met/ was/ went/ volunteered

D. didn't meet/ wasn't/ worked/ volunteered

49. She_______ public transport to work for ages because it helps to reduce air pollution.

A. hasn't chosen B. didn't choose C. chose D. has chosen

50. I_______ some food and drink for their new charitable centre yesterday. They_______ a lot of cheap meals for the poor for two months.

A. have provided/ have cooked B. provided/ have cooked

C. provided/ cooked D. have provided/ cooked