The train leaves at 6:00 p.m.So I have to be at the station_____5:40 P.m.atatest.The train leaves at 6:00 p.m.So I have to be at the station_____5:40 P.m.at the latest.C:by D:around 是 by

问题描述:

The train leaves at 6:00 p.m.So I have to be at the station_____5:40 P.m.atatest.
The train leaves at 6:00 p.m.So I have to be at the station_____5:40 P.m.at the latest.
C:by D:around
是 by

by 是在……之前

by是 在……之前
around是 在……左右
at the latest 最迟 暗示 选 by