情景对话。
What are they? _______ cameras.A. You’re B. They’re C. It’s
How many _____ are there in the sky?A. balloon B. a balloon C. balloons
Who’s _____? My sister.A. he B. she C. you
Who’s he? My _____. A. sister B. brother C. Miss Yang
Who are you? __________ Eddie.A. He’s B. She’s C. I’m
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