----What have you been ____ these days? ----Preparing for my daughter’s wedding party.A.up ofB.onC.u

题目简介

----What have you been ____ these days? ----Preparing for my daughter’s wedding party.A.up ofB.onC.u

题目详情

----What have you been ____ these days?
----Preparing for my daughter’s wedding party.
A.up ofB.onC.up toD.on to
题型:单选题难度:偏易来源:不详

答案

C

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