Detectivesarev的精選

問題詳情：閱讀理解;閱讀下面短文，從短文後各題所給的A、B、C、D四個選項中，選出最佳選項。Detectivesareveryimportantbecausetheyhelpthepolicewiththeirinvestigations(調查).Whenthepolicearriveatacrimescene,itisno...