(     )1. A. three         B. thirteen              
(     )2. A. twenty      B. twelve
(     )3. A. ten            B. twelve                
(     )4. A. eight         B. nine
(     )5. A. fifteen       B. five

1. Where are your _________  ___________?
2. I have ________ ducks and five___________.
3. Look! He is riding a ___________.
4. — How much is the ___________? — It's  _________ yuan.
5. What ________ are your _________?

1. A: Is this your ___________ ? B: No, it isn't.
2. My shorts are ___________.  Your shorts are ___________.
3. A: Where is the ___________ ? B: It's on the ___________ floor.
4. It's ___________  o'clock. It's time to have ___________ class.
5. One, two, three, ___________ ... I can see six ___________ in the classroom.