用when.what.why.how这四个词共造10个句子
问题描述：
用when.what.why.how这四个词共造10个句子
答
when will you come back?I don't know what it is.that is why I don't like to eat that.can you tell me how to make this?when do you need these sentences ?what is your purpose?how deep the lake is ?why d...