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If a thing is worth , it must be well .A.doing; doneB.to do; doingC.to do; doneD

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If a thing is worth , it must be well .A.doing; doneB.to do; doingC.to do; doneD

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

A.doing; done

B.to do; doing

C.to do; done

D.being done; doing

试题答案

A