问题补充:
单选题Hellneversayawordaboutit___youhaveexplainedittohim.A.onceB.beforeC.on order thatD.so that
答案:
A解析once意为:一旦,引起时间状语从句.
时间:2021-05-22 07:26:39
单选题Hellneversayawordaboutit___youhaveexplainedittohim.A.onceB.beforeC.on order thatD.so that
A解析once意为:一旦,引起时间状语从句.