—_________ are these trousers?—The trousers on the bed? They are only $15.
Mike said he saw ______ UFO. That’s ______ amazing thing.
Michael didn’t do homework as _______ as Kangkang, _______.
Why not _______ our bicycles _______ Beijing?
We will arrive _______ the Palace Museum at 10:00 _______ May 1st.
—Could you give me some _______ on how to learn English _______? —Sure. Practice makes perfect.