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Thetrainleaves___6:00pm,soIhavetobeatthestation___5:40pmatthelatest?A.at;untilB.for;afterC.at;byD.before;around

题目详情
The train leaves___6:00 pm, so I have to be at the station___5:40 pm at the latest?
A.at; until B.for; after C.at; by D.before; around
▼优质解答
答案和解析
C

具体时间即点时间前常用介词at, 表示“到……为止”用by。