----Do you know where coffee was from first?----It was said that coffee ______in Africa a long, long time ago.
Life is always filled ____ sadness and happiness.
— Would you like tea or water?— _________ is OK. I really don't mind.
Alice in Wonderland is a fantastic movie. It's about _________.
China is developing _________ of all the countries in the world.
A moment, please. I'm checking if Mrs. Brown _________ free tomorrow.