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 If a thing is worth ______, it must be well ______.

    A. doing; done      B. to do; doing      C. to do; done       D. being done; doing

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科目:高中英语 来源:山东省20092010学年高二下学期期末考试试题(英语) 题型:单项填空

 

 If a thing is worth ______, it must be well ______.

    A. doing; done      B. to do; doing      C. to do; done       D. being done; doing

 

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