His name is on the _______ of my tongue, but I just couldn’t remember it.

You’d better have a talk with your friend _____, and then the misunderstanding will disappear.

― Did you go to the 2010 Shanghai World Expo?― Yes, my father took me there. It was really __________!

“I don’t think it’s my _____ that the window has been broken. I just played football with my friends and John kicked the ball forwards the window.”said the boy.

They are said to have developed a new ______ to teaching, which is said to improve classroom teaching greatly.