阅读对话,完成下列各题。
Amy: Hi, Sarah. What do you have for lunch?
Sarah: Fish. It's delicious. What about you?
Amy: I have beef and vegetables. I like vegetables. They're fresh and healthy.
Sarah: My favorite food is ice cream. But I can't eat too much.
Amy: Why?
Sarah: Because I'm heavy now. I have to eat more vegetables.
Amy: You're right. We need to have more vegetables and fruit.
Sarah: I know. What's your favorite fruit?
Amy: I like apples. They're sweet.
Sarah: I like apples, too. But bananas are my favorite fruit.