课时作业(二十三) [模块7 unit 4 public transport][中_国教_育出_版网] (限时：30分钟) ⅰ.单项填空 1．he was dismissed, because he had been warned to be ________ but was late again. a．intelligent b．diligent c．punctual d．available 2．to keep healthy, professor johnson ________ cycling as a regular form of exercise after he retired. a．took up b．caught on c．carried out d．made for 3．it is reported that some wild animals
