In ____late 19th century, Europe changed ______great deal and was playing important roles in ______international trade.
—Kate!Have you got an invitation(请柬) from Nancy?—_____. A what?
I can never forget the day ____we worked together and the day _____we spent together.
—You ran into Mr. Li ! How did that happen?—Well, _____ of us was looking where we were going. We came around the corner at the same time.
Although ____ badminton is my favorite sport, I am not _____ very good player.
Does the way you thought of ________ the water clean make any sense?