1. 阅读短文，判断正误。

My father has nice sungIasses. They're five yuan. They‘re very cheap. My mother has a pretty scarf. I have an umbrella. It's 50 yuan. It's very expensive

1. （1） The sunglasses are very cheap.

3. （2） The scarf is my mother's.

5. （3） The umbrella is mine.

7. （4） The scarf is too expensive.