题目

She was half an hour later for class this morning because there was _____ with her bike.A. something wrong B. wrong somethingC. anything wrong D. wrong anything 答案：【答案】A【解析】句意：今天早上，她上课迟到了半个小时，因为她的自行车出某些问题。Something是不定代词，意为“某些东西”，anything是不定代词，意为“任何东西”，通常用在否定疑问句中，这句话是一个肯定句，所以用不到anything，排除CD，wrong是形容词“错误的”，修饰不定代词的形容词应该如图所示，AC平分∠BAD，CD⊥AD于D，CB⊥AB于B，E是AC上一点， 求证：∠AED=∠AEB．