------- -------- you can't answer the question, I'll ask som

_______ ________ 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