56. My computer doesn’t work well. I have to get it 　　　(repair)tomorrow.

55. Most Chinese people are used to 　　　　(have) three meals a day.

54. His father says that he shouldn’t spend too much time　　　 (practise) running.

53. I can’t stand hamburgers. They make me 　　　　　(feel) sick.

52. Have you ever dreamed of 　　　　　(walk) in the space?

51. The family refused to let the poor woman 　　　　(stay) in their house.

50. A young woman with a baby on her back 　　　　(see) to sell newspapers in the streets nearby.

49. They　　　　 (make) to stay at home all day because of the bad weather.

48. It is said that at least 23 people 　　　　(kill) in the gas explosion in a coal mine(煤矿) in Chengcheng County, Shaanxi Province.

47. Mangoes 　　　　(grow) in the southern part of China.