i have lots of question _.why not ask him?he is the only person_the answers.为什么第二个空填to know呢?

问题描述:

i have lots of question _.why not ask him?he is the only person_the answers.
为什么第二个空填to know呢?

此处的to 是动词不定式做定语,修饰person ,to 后面跟动词原形

也可以填who knows

作定语修饰前面的person

此处是不定式短语作定语,用来修饰only person。所以要用to know。