18.How are you doing these days? 这些日子你怎么样?

71. You shouldn’t ______ your time like that, Bob; you have to finish your school work tonight.
鲍勃,你不该那样浪费时间;你今晚得完成学校得作业。

70. What is the train _____ to Birmingham? 到伯明翰的火车票多少钱?

69. On average, a successful lawyer has to talk to several ______ a day.
一般一个成功的律师一天要接待好几个委托人。

68. He is not seriously ill, but only a ____ headache.他病得并不严重,只是有些轻微头痛。

67. While I was in the university, I learned taking a photo, _______ is very useful now for me.
上大学时,我学会了摄影,现在这对我很有用。

66 A police officer claimed that the young man had attempted to _______ paying his fare.
警官说这个年轻人试图拒付费用。

65. ______ the War of Independence, the United States was an English colony.
在独立战争以前,美国时英国的一个殖民地。

64. If she wants to stay thin, she must make a ______ in her diet.
如果她想保持身材苗条,就必须在饮食有所改变。

63. The computer system _______ suddenly while he was searching for information on the Internet.
在他上网查找资料的时候计算机系统突然瘫痪。

62. — It’s a good idea. But who’s going to _______ the plan?
这是个好主意。但谁去执行这个计划呢?
— I think John and Peter will. 我认为约翰和比德可以去执行这个计划。