题目：
根据短文内容和所给中文提示，写出短文空白处各单词的正确形式。（请注意单词的适当形式，每空一词）
Many people like 小题1: (动物).Children like them 小题2: (更).A little girl Amy has a pig named Puppy. Her parents gave it 小题3: (给) her last year. They 小题4: (总是)play together. When Amy 小题5: _(骑车)to school, Puppy sees her off. 小题6: (但是)this afternoon, Puppy isn’t at the door. Because there’s 小题7: (某物)wrong with his 小题8: (嘴巴).Mom says to Amy,“Don’t 小题9: _(担心),I’ll buy some 小题10: (药) for him.”So we can see Amy loves her Puppy very much.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：C解析：外-斐试验检测的是立克次体抗体，而非抗原。
