.We will learn how to operate the machine _______.A.at a time B.at one timeC.at the timeD.in time-英语

题目简介

.We will learn how to operate the machine _______.A.at a time B.at one timeC.at the timeD.in time-英语

题目详情

.
We will learn how to operate the machine _______.
A.at a time B.at one timeC.at the timeD.in time
题型:单选题难度:偏易来源:不详

答案

D
考查短语辨析。at a time每次,at one time 曾经,in time 及时,准时,句意:我们将学会如何准时操作机器。所以选D。

更多内容推荐