Passage 10 Whose Dogs?
Tom and his dad are walking in a street. They see a big dog and a small dog there.
“Tom, do you know whose dogs they are?" his dad asks.
“Sorry, I don't know."
"The big dog is the small dog's mum," says the father.
“Oh, I know. The small dog is the big dog's son," answers Tom.
生词榜 know v..知道 answer v.回答
练一练:根据短文内容判断正(T)误(F)。
