题目内容:
The reason ______ I have to go is ______ my mother is ill in bed.
A. why; why B. why; because C. why; that D. that; because
参考答案:
答案解析:
The reason ______ I have to go is ______ my mother is ill in bed.
A. why; why B. why; because C. why; that D. that; because