《牛津高中英语》Module 2 Unit 3 Amazing People单元自测一、单项填空(共15小题,每小题1分,计15分) Jenny worked hard before the final exam, and it ________. She got an A.A. showed off B. paid off C. put off D. took offThis is a disease that can result in total blindness ______ left untreated.A. after B. if C. since D. unlessWhen the old man ______ to walk back to his house, the sun ______ i