Mr.Black is a worker of No.1 Machine Factory.She___three since it opened in 1958.A.worked B.works

分类: 作业答案 • 2022-06-19 23:00:09

问题描述：

Mr.Black is a worker of No.1 Machine Factory.She___three since it opened in 1958.A.worked B.works
C.has worked D.is working

答

选C ,因为他三年的工作已经在过去完成了,是过去完成式!