It was he worked hard that he succeeded．A.becauseB.sinceC.asD.for
来源：网络
时间：
推荐文章
It was ________ he worked hard that he succeeded．
A.because
B.since
C.as
D.for
试题答案
A
解析：原因状语从句，强调部分是because。
It was ________ he worked hard that he succeeded．
A.because
B.since
C.as
D.for
A
解析：原因状语从句，强调部分是because。