问题补充:
.
We will learn how to operate the machine .
A. at a time
B. at one time
C. at the time
D. in time
答案:
A. at a time
B. at one time
C. at the time
(答案→)D. in time
解析: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。
时间:2021-08-14 18:56:58
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We will learn how to operate the machine .
A. at a time
B. at one time
C. at the time
D. in time
A. at a time
B. at one time
C. at the time
(答案→)D. in time
解析: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。