Maria is wanted on the telephone. Where is she?—She _________ the library. You can find her there。

In the past few years there _________great changes in my hometown.

Be careful!. We must _____ play on the street.

Uncle Wang has____________ bird and ___________ bird can talk to people.

Fifty dollars for such a T-shirt! You _______ be joking!—I’m serious．It’s made of silk.