it was to 61)______ these primary needs that the great mass

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it was to 61)______ these primary needs that the great mass of the population labored 62)______ its
it was to satisfy these primary needs that the great mass of the population labored 62)______ its daily tasks. 62.A. at B. In C. on D. with
为什么选at?

大部分人口辛勤工作的目的就是为了满足这些底层人民的需求
labor努力工作 labor at sth or labor at doing sth 固定搭配
不懂追问哈o(∩_∩)o
再问：那 labour on sth呢求解
再答：这里的labor at 是说工作,如果作及物动词的话(如labor the plant耕地),直接接宾语即可,不及物动词要强接宾语就用借词at,不过一般就直接主谓结束,(注意,后面的介词可能只是一个接状语的东西,如labor for her parents 为父母努力工作,labor on the farm在农场工作......) 总得说labor on 真没有

it was to 61)______ these primary needs that the great mass .The classroom is so dirty that it needs ______ badly. 英语翻译it was thought that it is not so much that the primary n The_____caused by the earthquake was so great that it would it was during____reign that the name great britain came into 英语翻译It is simply not to enough to say that "the primary aim The story was so ______ that everyone liked to resd it Ainte Just as I was leaving the house,it ______ to me that I had f It was such a ______ to hear that all the earthquake victims I want to know whether it was ______ that caused the failure It is reported that ______foreigners come to visit the Great The primary working hypothesis was that motion preservation