It is difficult for us to learn a lesson in life __________ we’ve actually had that lesson. A.untilB

题目简介

It is difficult for us to learn a lesson in life __________ we’ve actually had that lesson. A.untilB

题目详情

It is difficult for us to learn a lesson in life __________ we’ve actually had that lesson.
A.untilB.afterC.sinceD.when
题型:单选题难度:偏易来源:不详

答案

A。
until的意思是“直到……时”“在……之前”,如:We always have to wait until the last customer has left. 我们总得等着最后一位顾客离去。

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