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----Ifyoudon’tknowwhatthenewwordsmean-inadictionary.A.lookthemupB.lookthemdownC.lookthemafterD.lookthemover

题目详情

  ---- If you don’t know what the new words mean ________- in a dictionary .

A.look them up             B.look them down

C.look them after          D. look them over

 

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答案和解析

A