71.     With the 2010 World Cup a distant memory, the country is doing _____________________bid for the 2022 World Cup. (what)

在 2010年世界杯已坠入史册时，这个国家正尽一切所能去申办2022世界杯。

72.     _______________ the Spring and Autumn and the Warring States, the Great Wall is still perfectly preserved. (date)

追溯到春秋战国时代，长城至今仍保存完好。

73.     At the airport, we saw Lady Gaga, the world-famous super star, __________________several bodyguards. (alongside)

在机场，我们见到了Lady Gaga这位闻名世界的超级巨星，她旁边有几位保镖。

74.     ­­­­_______________________ sitting in the classroom all day may account for these students’ dropping out. (fed)

厌倦了整日坐在教室里可能是这些学生辍学的原因。                                                  

75.     But for his sudden departure, our plan __________________. (pay)

要不是他的突然离去，我们的计划就成功了。

76.     Believe it or not, Mr. Smith is said ____________________ the position three times up till now. (apply)

信不信由你，据说迄今为止史密斯先生已经三次申请这个职位了。

77.     The chief engineer including his colleagues ____________________state secrets to America over these years. (betray)

这些年来，这位总工程师与他的同事们一直在向美国泄露国家机密。

78.     I don’t know ________________ that our headmaster was absent from such an important meeting. (why)

我不知道到底为什么我们的校长缺席如此重要的会议。

79. There________________then, they had to build their defense works by hand.(equipment)

   因为当时没有现代化的设备，所以他们不得不人工建造他们的防御工事。

80．____________________before we leave school and go to university.(month)

   八个月后，我们就离开学校上大学了。