—We _____ talk loudly when we see the sign “Be quiet” on the wall.—Yes, you are right. We should be polite in public.
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.