分类：教育/科学-外语学习-英语考试
问题：What'shappenedtoyou？Couldyoutell 
ould you tell me________?A.Where is Mr.Black     B.What's happened to youC.When did the school bus leaveD.What's your trouble答案给的D，B项能选？为什么
回答：因为从句的问句是陈述句的语序,A和C都是问句的语序,都不对
B和D都是陈述句的语序,所以都能选