Mary _________ as a volunteer teacher for 10 years.

. The main fact(or)s in human life are five: birth, food, sleep, love and death. (One could increase the number— add breathing for instance— but these five are the most obvious.) Let us ask ourselves ________ our lives.

Sorry, I’m late.— It doesn’t matter. The meeting _____ just for several minutes.

Tony is ________ student.

Do you want to play_____ tennis? Yes, I ______.