A: Today is 8th, August, 2007. There is one year from the open of the 2008 Olympic Games.B: Oh, so the Beijing Olympic Games will be held ____ 8th, August, 2008.
I am very tired because I up late.
You will find you can enjoy so many books if you English.
Don’t come into the lab ________ you are asked to.
My uncle has been taught in this school _______ he was twenty years old.
Don’t worry, sir. I’m sure I can run _____ to catch up with them.