On a rainy day I was riding my bike to pick up my son _________a terrible accide

题干

On a rainy day I was riding my bike to pick up my son _________a terrible accident happened ahead.

A．who

B．which

C．while

D．when

上一题下一题 0.85难度单项选择更新时间:2015-10-10 07:47:34

小学学科试题库

初中学科试题库

高中学科试题库