YesMaryis的精选

问题详情：单项填空；选择最佳*。—DoyouknowMary?—Yes,Maryis______girl,butsheknowsalotaboutscience.A.aeight-year-old         B.aeight-years-oldC.aneightyearsold       D.aneight-year-old【回...