Most of the choices appear to be          ones that you are familier with, but after taking          second look, you will find that they are different.

You can see    “a” and       “p” in the word “map”.

—Do you know ______ woman in red?—Yes, she’s a professor of_________ university.

They often take    walk after dinner.

一What's behind          door? I can't open it．   一Let me see．Oh,there's a chair．