Mary______asavolunteerteacherfor1

发布时间：2020-07-11 08:59:38

Mary ______ as a volunteer teacher for 10 years.













A.works












B.will work











C.worked











D.has worked

网友回答

D解析根据时间状语for 10 years十年了，说明本句为现在完成时态，所以选D。
以上问题属网友观点，不代表本站立场，仅供参考！