15. Our school is not very big. There are only ________ students.

A. nine hundreds of B. nine hundred　 C. nine hundreds　 D. nine hundred of

14. Which of the following is wrong? ________.

A. He is a fifteen-year-old boy.　　 B. He is at the age of 15.

C. He is a boy of 15.　　　 D. He is fifteen year old.

13. Which is the car that he drives? It’s ________.

A. fifty two　 B. the fifty-two cars　 C. the car fifty four　 D. the fifty-fourth car

12. The basketball team of our school ranks ________ in the match.

A. three　 B. third　 C. the three　 D. the third

11. This classroom is ________ ours.

A. three times big as　 B. as three times big as　 C. three times as big as 　D. as big three times as

10. The old professor still works hard though he is _________.

A. in his sixty　 B. in his sixties　 C. in sixties　 D. in the sixty

9. The number 4,123 is read _______.

　　　 A. four thousand one hundred and twenty-three　 B. four thousand and one hundred twenty-three

　　　 C. four thousand and a hundred and twenty-three　 D. four thousands a hundred and twenty-three

8. The People’s Liberation Army was founded _______.

A. on August 1, 1927 　 B. in 1927, 1 August C. on August 1^st, 1927 　　　 D. in August 1, 1927

7. Which number is wrong? _______.

A. Ninety　 B. Ninteen　 C. Ninth　 D. Nineteenth

6. How many students are there in your class?

　 ________.

A. Twenty nine　 B. Thirty and two　 C. Forty-five　 D. fifties