Question

【题目】The earthquake happened an ordinary morning．
A． at B． on C． in D． of

Answer 1

【答案】B

【解析】考查介词辨析。at常指具体的时刻；on指具体的某一天划某天某时；in常指某时段内；of……的。morning, afternoon, evening前有形容词修饰时，常指具体的某天的某时，加介词on，故选B。