Question

【题目】— When do you have breakfast in the morning?
—____________ eight o'clock.
A.At
B.On
C.in

Answer 1

【答案】A
【解析】句意：—你在早晨什么时间吃早饭？—在八点。at用在具体时刻前；on用在具体的某一天前；in用在某一年或某一月前。故选A。