—I am so angry that I could blow my top! —Oh, dear, _______. What’s wrong?
Mr Green showed his students some photos ________ at World Expo 2010 Shanghai.
A group of children are looking into the box, ________ about what can be inside.
I must be off now. My friends ________ outside.
David is a great teammate. He knows well how to work with ________.
I was about to walk over to Tom’ s seat when he ________ and left.