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信息发布者:
This is a cow. That's a lamb.
I can see four ladybirds.
(1)A: How many rulers? B: Three rulers.
(2) A: How many pencils? B:Five pencils.
I can run and jump.
(1)A:What's this? B:It's a bottle.
(2)A:What's that? B: It's a bird.
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