Why the explosion occurred was ____the laboratory attendant had been careless.A_刷题宝

题干

Why the explosion occurred was ____the laboratory attendant had been careless.

A．for

B．because

C．since

D．that

上一题下一题 0.64难度单项选择更新时间:2014-12-08 08:57:45

答案(点此获取答案解析）

小学学科试题库

初中学科试题库

高中学科试题库