The reason why he didn't come is ____ he is tired.空格处是填that好还是because好?还有同位语从句：Nobody believed his reason for being absent _that____ he had to meet his mom at the airport.如果句中的that要用because代替,那么还要怎么变?
问题描述：
The reason why he didn't come is ____ he is tired.
空格处是填that好还是because好?
还有同位语从句：
Nobody believed his reason for being absent _that____ he had to meet his mom at the airport.
如果句中的that要用because代替,那么还要怎么变?
答