题目内容：

In many classrooms, it's not  16  to find students spinning (��ת) their pens  17  they listen to their teachers.

     Pen-spinning is also popular  18  Japanese students. It is a form of entertainment. Recently, a pen-spinning competition was held in Tokyo, Japan. Ryuki Omura, a 16-year-old high school student, became the first pen-spinning   19  .

     276 people took part in the competition. The came from different age groups. Some were students   20   some were office workers. First, they   21   the videos of their pen-spinning skills to the organizer's website. Then some of them came to the last round in Tokyo. 22   of them had 30 seconds to show their skills in front of 400 people,   23  reporters and fans. Omura took a pen from his little finger to the rest fingers, then to his palm(����) and the back of his hand. His wonderful show made him   24   the champion.

    Omura said he began learning pen-spinning only about 14 months ago. He did  25 in the competition. If you like to spin your pen, you can practice it in your spare time. But when you are in the class, please don't do that.

1.A. difficult                B. easy               C. common

2.A. before                  B. when                C. after

3.A. for                    B. between              C. among

4.A. chairman               B. captain              C. champion

5.A. or                     B. and                  C. with

6.A. were sent              B. sent                 C. was sent

7.A. each                  B. Both                  C. Every

8.A.includes                 B. included              C. including

9.A. become                B. became                C. becomes

10.A. quite good            B. quite well            C. quite better