1. five 2. eight 3. Duong: Hello, Gabriela. Gabriela: Hi, Duong. Duong: How many students are in your class? Gabriela: I think there are nine. 4. Duong: My class is bigger. Gabriela: Really? How many? Duong: We have 19 students. 5. Duong: Maybe my class is bigger because it is shorter. Gabriela: How long is your class? Duong: It is two hours a day. 6. Gabriela: Is that all? Duong: Yes, that’s all.