It was already ten o’clock __he got back home.Awhile B when C if D because
问题描述:
It was already ten o’clock __he got back home.Awhile B when C if D because
答
B
答
B.因为he后面跟的是过去式不是过去进行时。
答
同学,
选B,when引导时间状语从句表示主句动作已发生.while引导时间状语从句表示主句动作正在进行.