The reason ()she gave for not being present was () there was heavy traffic on her way here1./ ,because 2.why ,because 3./ that 4.why ,whether为什么2不可以?
问题描述：
The reason ()she gave for not being present was () there was heavy traffic on her way here
1./ ,because 2.why ,because 3./ that 4.why ,whether
为什么2不可以?
答
不是原因状语从句，不能用why
答
我觉得2选项里why是对的 但是后面的because只能做原因状语从句 在主句中不能做宾语，句子里应该有一个宾语 所以不能选
3选项 why省略了，后面的that可以连接从句 做句子中的宾语从句。
答
1,在英语的同一个句子中why和because不能连用.
2,如果你第一个空想要用why的话,那么第二个空要用that
3,第一个空可以填why/that或者是不填.