Start studying early and don’t study too much.A.at one timeB.at a timeC.at timesD.from time to time-

题目简介

Start studying early and don’t study too much.A.at one timeB.at a timeC.at timesD.from time to time-

题目详情

Start studying early and don’t study too much  .
A.at one timeB.at a time
C.at timesD.from time to time
题型:单选题难度:偏易来源:不详

答案

B
at a time 一次;at one time曾经,一度。at times="from" time to time有时候。

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