The reason why he succeeded is ______ he worked very hard.A．whyB．thatC．whetherD．_刷题宝

题干

The reason why he succeeded is ______ he worked very hard.

A．why

B．that

C．whether

D．how

上一题下一题 0.85难度单项选择更新时间:2010-07-15 06:17:38

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