阅读下列各小题，根据括号内的汉语提示，用句末括号内的英语单词完成句子，并将答案写在答题卡上的相应题号后。
小题1: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。
小题2:_______________ 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。
小题3: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。
小题4:_______________________ 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。 
小题5: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。
小题6: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。
小题7: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。
小题8: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。
小题9: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。
小题10:____________________before we leave school and go to university.(month)