the reason he refused my inviation is that he has been.为什么这个是that写because行不
问题描述：
the reason he refused my inviation is that he has been.为什么这个是that写because行不
答
The reason he refused my inviation is that he has been……
= He refused my inviation,because he has been……
解析：because为连词,其作用为连接两个独立的句子