简介： 二、单项选择。（共20题，每小题1分，计20分）
21. I don’t know _____ man with _______ book in his hand. Maybe he is ______ art teacher.
A. a, a, an B. the, a, the C. the； a； an D. a； a； the
22. — What kind of home do you _____ — A flat _____ three bedrooms.
A. live； has B....