I've got such a lot of things to do I don't know where to begin.请_英语解答

I've got such a lot of things to do I don't know where to begin.
请问这里的为什么要放to呢?
有例句最好了～

人气：153 ℃　时间：2019-10-20 00:19:39

解答

这是疑问词+to do 结构不定式
三楼理解得很透哦!