在英语对话中Why和Because可以一起用么?

网友回答

提问用Why, 当然可以用Because 来回答
Why did he write letter to her?
Because he missed her.
======以下答案可供参考======
供参考答案1:
可以 Why get upset just because you get a bad mark.
何必因为得的分数差就想不开。
供参考答案2:
用WHY 问，用BECAUSE 回答
EG：Why are you crying?
Because I am very hungry.