Question

【题目】After entering the concert hall，the mother________a friend and went over to greet him.
A.searched
B.knew
C.spotted
D.realized

Answer 1

【答案】C
【解析】A．searched sb搜身；B．knew sb认识某人；C．spotted sb认出某人；D．realized sth意识到，实现；句意：进入音乐厅之后，妈妈认出了一位朋友并过去打招呼。根据句意，故选C。