Every minute is made full _______ of _______ our lessons well.A. to use; study B. use; studying C use; to study D. used; studying
---I’ll thank you my affairs alone. ---I will. It’s none of my business.
He 20 dollars for his old bike the other day.
It is much easier to talk about social change than to .
This is a story completely by him, so don’t rust him.
Historical experience can as a most important source of information.