阅读对话,完成下列题目。
Teacher: Let's go to the zoo!
Children: Great!
Teacher: Look at the birds! How many birds do you see?
Children: 1, 2…We see 13.
Teacher: Come here, children! How many fish do you see?
Children: 1, 2…We see 20.
Teacher: Amy, how many giraffes do you see?
Amy: I see 15.
Mike: Wow! Look at the monkeys!
Amy: How many monkeys do you see?
Mike: I see 17.
Amy: 17? No, the brown one is a bear!
Children: Ha ha!