Question

It was last night ________ I saw the comet.

A．the time B．when C．that D．which

 

Answer 1

C

【解析】强调句的结构是：It＋be＋强调部分＋that(who)＋主谓句。强调句的连词只有两个，that和who。当强调的部分是人，且为句子的主语时，才用“who”，其余用that。