---What is your father doing? ---_____ walking. A. It’s B. He’s C. She’s
May Itwo books，please? A. hasB. doC. have
—is my book? —It's on the desk. A. HowB. WhereC. What
Iknow. A. don'tB. doesn't C. am
—What's this? —It'sbook. A. aB. anC. the
—are you? —I'm fine，thank you. A. HowB. WhatC. Where
two books，please?
is my book?
know.
book.
are you? 
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