The why he was late for school is that he was overslept.句中的 why 可不可以省略?可不可以用 that 替

The reason why he was late was true . He continued_____(explain) the reason why he was late The reason why he was late was the rainstorm.He was late ____ there was a rainstorm.改为同义句 The reason why he was late was that he was held up in the traffic jam. The reason why he was late was that he was held up in the traffic jam. The reason why he was late was his always being late for school. the reason why he was late was that he got up late the house is where LuXxun once lived中why在he was late 中充当什么成分中why在he was late 中充当什么成分 I dont know why he was late.这个句子里为什么用why不用that?我打错了　是Idont know the reason why he was late the reason （ ）he was late yesterday for class was ( )his mother was ill.A.that,that B.why,why C.why,that D.that,why why和because在从句中可否这样用?为什么?the reason why he was late was because he got up late the reason why he was late was because he didn't catch the early bus.改错?理由 Do you know the r_____ why he was late for school? The reason why his being late is he was badly ill错在哪? Do you know the r____ why he was late for school? I dont know the reason why he was late 为什么不用that 英语连词成句meeting,was,late,I,why,the,wonder,he,for when the student was asked why he was late,he didn't say a word同义句是什么 why is he late?翻译成 他为什么迟到了 那why was he late 肿么译