what to do的语法 最好简洁且全面一点

问题描述:

what to do的语法 最好简洁且全面一点

to do what,WH词提前.
就象how to do it,其实是to do it how
这是一个wh词加不定式的结构,可以当作名词使用.
I don't know what to do./which to choose/ where to go/how to do it...
What to do /which to choose/ where to go/how to do it...is up to you.