That is what he doesn't go to school today.如何改正

问题描述:

That is what he doesn't go to school today.如何改正

That's the reason why he doesn't go to school today.

把what改成why

what 改成why 这句话的意思是 那就是他今天为什么没有去上学的原因.表示原因用why引导.