We need to get to the root of the problem ________ we can solve it.A．whileB．afte_刷题宝

题干

We need to get to the root of the problem ________ we can solve it.

A．while	B．after
C．before	D．as

上一题下一题 0.65难度单项选择更新时间:2017-08-04 05:02:09

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