Mary is the only one of the teachers who_____a little Chinese because she is one of my friends who__

题目简介

Mary is the only one of the teachers who_____a little Chinese because she is one of my friends who__

题目详情

Mary  is  the  only one of the teachers who_____a little Chinese because she is one of my  friends who____been to China
A.knows haveB.knows haveC.know toD.know has
题型:单选题难度:中档来源:不详

答案

B

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