the question is so easy that we can answer it.
问题描述：
the question is so easy that we can answer it.
the question is easy for us to answer.
请帮我解释关于这两个句子的语法知识点.越详细越好,我会对答的好的追加分数.
还有就是请说明一下两个句子结尾处的 answer it.answer.
为什么要这么说
答
第一个句型是so……that……,意思是如此……以至于……,例句：我太累了,以至于走不动了：I am so tired that I can't walk on.（注意：that后跟从句）可以替换的句型有too……to……,他的意思也是如此……以至于……...