完成句子。

71.           (实际上) all languages change and develop when cultures meet and communicate with each other.

72.He walked along in the shadows, hoping no one would             (辨认出) him .

73 When we meet with troubles, parents will help us to          (解决) them.

74. Don’t be             (担忧) about your son, for he has grown up.

75.It is the                 that I                the film.（这是我第一次看这部电影。）

76.We tried to make him                    , but he kept shouting .（我们尽力使他镇静，可他一直大叫。）

77.Their school is more beautiful                            .(他们学校比以前更美丽。)

78. We should                            our time to study hard..（我们应该利用我们的时间努力学习）

71. Had you taken your mother's advice when you started to arrange for your wedding, you ____________________________ all your money so soon. (run)

   要是开始筹办婚礼时你听了妈妈的建议，就不会那么快把钱都花光了。

72. Only if you ask many different questions ________________________________ all the information you need to know. (acquire)

你只有问许多不同的问题才会获得你需要知道的所有信息。

73. It is a pity that he failed the exam. If he ________________________his handwriting, he would have done it better. (concentrate)
很遗憾他考试失败了。如果他更加注意他的书写，他就会做得更好些。

74. ____________________________ to keep others waiting, if he is asked to do something.(typical)

如果要他去做事，他就一贯让别人等。

75. _____________________________ in Tagore’s poems is the verse saying “Let life be beautiful like summer flowers and death like autumn leaves.” (appeal)

泰戈尔诗中最吸引我的是诗句“生如夏花之绚烂，死如秋叶之静美”。

76. It is reported that by the end of this month the output of cement in the factory __________________________ by 10 percent. (go) 

  据报道，截止这个月月底这家工厂的水泥产量将会上升百分之十。

77. With __________________, the human being will be more worried about the future of the world.         

(consume)

随着越来越多的能源的消耗，人类将会更加担心世界的未来。

78. When first _______________________the market, the gold model iPhone 5S was widely accepted by the young. (introduce)

当第一次引入市场，“土豪金”就被年轻人广泛接受。

79. _________________________ that he missed the gold opportunity of getting promoted. (due)

   由于粗心大意,他错过了绝好的晋升机会。

80. Every time _________________________ a cigarette, remind yourself that you are a non-smoker. (feel)

每当你想要吸烟的时候， 你就提醒你自己，你已经是不抽烟的人了。