I really don't know how to do and where to go next.______

I really don't know how to do and where to go next.______
I really don't know how to do and where to go next.______

I really don't know how to do and where to go next.______
how改为what 有to do 可知此处应用what作do的逻辑宾语.

what's your question?

how改为what 有to do 可知此处应用what作do的逻辑宾语。