—This is ________ yacht.
—How nice!
A．my B．I
Which is your umbrella?
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The red umbrella is mine.B.The black umbrella is mine.
What’s this ?
----__________________
A.This is a book.B.This is a computer.
What can you see?
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A I can see a bird.B. I can see a cat.
What are those?
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A Those are flowersB. Those are boats.
What are you eating?
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I am eating a hamburger. B.I am eating an apple.