Hurry up! There is _____ time left(剩下).
Chinese ______by more and more people around the world.
Peter is _____ student in our class. He often helps us with our schoolwork.
---- Is that Mr. Green?--- Impossible. He has gone to America. It ------be him.
Boys and girls, please listen to me _______. I have something important to tell you.
Get up quickly, Bill, ______ you`ll be late for school.