问题补充:
--- Whywastheyoungladytakenawaybythepolice?--- Shehappened_______somethinginthesupermarket.A.to catch stealingB.to catch to stealC.to be caught stealingD.to be caught to steal
答案:
C解析考查非谓语动词。happen to do碰巧做某事,又因为“被抓住”故排除A和B;be caught doing sth, 故