."1 start 2 is to start 3 is start 4 is for to start 选哪个

问题描述:

."1 start 2 is to start 3 is start 4 is for to start 选哪个
."1start 2 is to start 3 is start 4 is for to start 选哪个 选哪个

这是啥?