问题补充:
单选题Intheexperimentyoushouldkeepawatchfuleye______thedevelopmentsandrecordeverydetail.A.inB.atC.forD.on
答案:
D解析keep an eye on sth 注意,监视
时间:2020-02-08 19:59:05
单选题Intheexperimentyoushouldkeepawatchfuleye______thedevelopmentsandrecordeverydetail.A.inB.atC.forD.on
D解析keep an eye on sth 注意,监视