-----It is long since we met last. Haven’t you graduated from college yet? ----- _____. I ____ English for 3 years in Lanzhou University.
________leaves the room last ought to turn off the lights.
I’m not sure ______ he will win the game or not.
This is ______ my parents are worrying about.
Do you know where ______now?
Listen to the laughter, the girls _______themselves.