题目

Diana is my good friend and she is twelve years old. She loves ______very much.She ______wants to have a dog ______Cathy’s.“Mum, can you buy ______a dog?” Diana says.“Dear, you’re a student and you’ve got a lot of ______every day. You haven’t got ______time to play with it.” Mum always says.Diana isn’t ______. “I can clean my room and I can wash my clothes. ______can’t I have a dog?” she thinks. Now comes Diana’s birthday. Her parents have a party for her, and she ______lots of presents. There’s a little white dog from her ______! She likes it best. “My uncle is r某校准备参加2004年全国高中数学联赛，把10个名额分配给高三年级8个班，每班至少1人，不同的分配方案有    种．