1. 根据对话内容，判断下列句子正误。

Dad: Tom, what's four and six?

Son: Em.... I don't know, Dad.

Dad: You are foolish. It's ten.

Son: That's not true. My Maths teacher tells us, "Five plus five is ten.

1. （1） Tom is a clever boy.
3. （2） Tom's Maths teacher is wrong.
5. （3） Five plus five is ten.
7. （4） Dad is right.