12br 12br 10Besides, what does "by" refer to? 02b 0-
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01cite10Angliholic12cite12br
10The surface of the desk was worn 11b10down/out/away12b10 by many years of us.12br
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10Which of the above particles fits best in the above?12br
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10Besides, what does "by" refer to? Does it mean "because of?" Thanks.12br
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01cite10Avangi12cite12br
10Logically, "by" refers to "use," but I suppose grammatically it refers to "years." Yes, "by" = "because of" in this context.12br
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10All of your choices work, with slightly different implications, but the best choice is, "was worn by many years of use." IMHO12br
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01cite10Angliholic12cite10Now I know better, but what does you mean by "dimension" in your post? 11b10dimension = thickness, as Marius said.12b12br
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10Besides, "worn down" and "worn away" seem close to me still. So could you tell me their basic differences? 11b10Marius is clear on this.