I feel stressed from time to time. But I don’t know_____.

_______behind a tall tree, the little girl was notnoticed by anybody at all.

George is going to talk about the geography of his country, but I’d rather he _____ more on its culture. [ ]

He is such a man who is always ________ fault with other people.[ ]

I regret you that Tom failed the exams. He regretted your advice. [ ]