1. (2021七上·长春期末) 根据短文内容，判断句子正误。

Mr. Brown and Mrs. Brown have a son. His name is Jack. Jack is only two years old. He is very lovely, and he always asks his parents questions.

One day, Mr. Brown is reading a book on the sofa in his room. And he has a banana in his hand. He likes eating bananas. Jack comes in. He looks at the banana in Mr. Brown's hand and asks, "Dad, what's this?" But Mr. Brown doesn't hear (听见) him, so he doesn't answer him. Then Jack goes up to Mr. Brown, shakes (摇动) his leg and asks, "What's this, Dad?" "It's a leg (腿), "answers Mr. Brown. Then Jack goes out of the room and says to Mrs. Brown, "Mom, l want to eat a leg."

1. （1） Jack is three years old.
3. （2） Jack always asks his parents questions.
5. （3） Mr. Brown is reading a book at the desk in his room.
7. （4） There is a banana in Mrs. Brown's hand.
9. （5） In fact (事实上), Jack wants to eat a banana.