--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 make
C. don't make
D. haven't made

综合评价方法根据所采用的理论的大致分类不包括（）

A.基于数值和统计的方法
B.基于经验的综合评价方法
C.基于决策和智能的综合评价方法
D.基于科学理论的综合评价方法

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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

A.
A.

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