阅读理解
Bob: Hello, Dale.
Dale: Hello, Bob. How are you?
Bob: I'm fine, thank you. How are you, Eric?
Eric: I'm fine, too.
Bob: Eric, what color is your jacket?
Eric: It's red and blue and it's good.
Helen: Good morning!
Bob: Good morning ! What's this?
Helen: It's my ruler. It's yellow.