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Tom and his mum walk in a street. They see a big dog and a small dog there.
“Tom, do you know whose dogs they are?” his mum asks.
“Sorry, I don’t know.”
“The big dog is the small dog’s mum.” says the mother.
“Oh, I know. The small dog is the big dog’s son,” answers Tom.
（一）据短文内容判断正（T）误（F）.
（   ）1. Tom and his mother are going to the park.
（   ）2. They see a bog there.
（   ）3. The big dog is the small dog’s mother.
（二）根据上文内容回答下面的问题。
1. Where are Tom and his mum?
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2. What do they see?
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