完形填空。 The Winter Olympics was once l the 'White' Olympics. _2 the first time, many colorful stamps were published (出版; 发行)  to mark the event. The first 3 came out on January 25,1932 in the United States for the _ 4 Winter Olympics. From 5 0n,publishing stamps during the Winter Olympics became a rule. During the 4th Winter Olympic Games,a groupof stamps were 6 in Germany in November,1936. The five rings of the Olympics were drawn on the front of the sportswear.lt was the first time thatthe rings 7 on the stamps of the Winter Olympics. When the Winter Olympics came,the host coun-tries and the nonhost countries published stamps tomark those Games. China published four stamps in February,1980, 8 Chinese athletes began to 9 the Winter Olympics. Different kinds of 10 were drawn on thosesmall stamps. People can enjoy the beauty of the wonderful movement of the athletes. (     )1. A. call (     )2. A. At (     )3. A. stamp (     )4. A. first (     )5. A. now (     )6. A. published (     )7. A. show (     )8. A. because (     )9. A. join (     )10. A. people B. called B. On B. book B. third B. then B. publishing B. appear B. and B. take part in B. animals C. calling C. In C. Olympic Gam C. fourth C. this C. publish C. appeared C. when C. in C. sport D. to call D. During D. Winter Olympics D. fifth D. that D. to publish D. looked D. so D. jump into D. games