four out of 那为什么要用OUT?

four out of 那为什么要用OUT? four out of four out of one four out of last seven Four days after setting out,while the Titanic was sailing across the icy water of the North Atlantic这里的setting out为什么要用ing形式呢,是用的什么语法呢 还是说setting out是动名词 get out there 要不要加OF?那为什么有 GET OUT OF HERE 的说法？ more than three out of four three times out of four是什么意思 four in Four in ten said they .Four in ten four out of ten呢? the fuel is___ A、run out B、ran out C、running ou D、running out of Jump out of bed and hurry out of the house.为什么要用of out of sth 究竟是什么意思啊?例如out of love out of 70 studentsout of love 有失恋意思 out of memory 就是内存不够的意思,是否out of 就有点儿表否定的意思?那out of 70 students ,可以是失去70个学生的意思吗?ou four years out of the last ten.中的out Four of them are Americans.介词为什么用of 英译中one out of four翻译一个句子 one out of four Americans eventually caught the life-threatening disease.中的one out of four 请问：four years out of the last ten, Four out of five doctors say that dog hair is bad for your lungs.其中Four out of five doctors 几分之几用英语怎么表达啊 我今天看到 three out of four 好像有很多表达方式