The World Expo (世博会) ____________ in Shanghai now.
—_______is the boy? —Fifteen. A. Where B. How old C. How
—Is Mr. Wang your teacher? —Yes, and ____ is an good English teacher. A. he B. she C. it
—____ ? —Yes, I’m Mike. A. What’s your name? B. What are you? C. Are you Mike?
--Mary and I ____ from the U.S.A. A. am B.is C. are
—Look! That’s ______ big orange. A. a B. an C. the