Question

His success was because of____he had been working hard .

1 that
2 the fact which
3the fact that
4 the fact
为什么选C

Answer 1

答案：C
解释：because of 是复合介词，后接名词、代词或者名词性从句。这里接the fact，that引导的是同位语从句，that不可以省略。

祝你学习进步，更上一层楼！请记得采纳，谢谢！(*^__^*)

Answer 2

1 that
2 the fact which
3the fact that
4 the fact