题目内容
10．We were asked to check the answers _______ discussing with each other．（ ）| A． | by | B． | in | C． | of | D． | with |
分析 我们被要求以相互讨论的方式核对这个答案．
解答 答案：A．in一般只能加way/manner或具体的原材料或语言等做其宾语；by一般加交通工具，抽象的方式手段或加动名词短语doing sth．本题的discussing就是动名词结构，故前用by，by discussing通过讨论的方式．故选A
点评 本题考查方式介词，by doing sth 通过做某事．考生须知道这点方可做出正确答案．
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