Question

【题目】A series of debates between the major candidates ______ scheduled for last Friday, namely, the Labor Day.

A．is B．are C．was D．were

Answer 1

【答案】C

【解析】主语中A series of debates中心语是A series，故谓语动词用单数，根据后面的时间状语last Friday，判断用过去时，故选C项。