—Would you mind _______ in the classroom? —Sorry, I won’t do that again.
Who’s _________ in China, Yao Ming or Liu Xiang?
I think he is _________ of us two.
----- I’m too busy_____ to my family often.---Why not call them instead?
--- Don’t forget to give my best wishes to your family. --- No, ________.
I don’t like summer, as it is hot and we have to do homework.