_______ ________ you can't answer the question, I'll ask someone else. 应该填什么
前面如果是只有一条横线的话,可以填：
_Because_______ you can't answer the question, I'll ask someone else.
Since______ you can't answer the question, I'll ask someone else.
__As____ you can't answer the question, I'll ask someone else.
但是2个横线不知填什么好