Question

【题目】—Did Jack come back early last night?
—Yes!It was not yet 8 o'clock______he arrived home.
A.when
B.that
C.before
D.but

Answer 1

【答案】A
【解析】考查连词。句意：——Jack昨晚回家早吗？——是的，当他到家的时候还不到八点钟。when“当...…的时候”，引导时间状语从句。故选A。