单项选择题 --I'm sorry, but I don't quite follow you. Did you say you wanted to return on September 20?--Sorry, I ____ myself clear. We want to return on October 20.A. hadn't made B. wouldn't makeC. don't make D. haven't made

单项选择题 综合评价方法根据所采用的理论的大致分类不包括（）

单项选择题 It took me a long time before I was able to fully appreciate what they __ for me.A. had doneB. did C. would do D. were doing