1 M2 U1 单项选择 1. It is reported that the police will soon ________ the case of two missing children. A. look upon B. look after C. look into D. look out [解析 ] C 考查动词短语辨析。根据题意可知应选 look into “调查”。 2. I am ________ that Peter is guiltless unless you can show me ________ evidence. A.convincing; convincing B.convinced; convinced C.convinced; convincing D.convincing; convinced [解析 ] C 考查现在分词和过去分