早教吧 育儿知识 作业答案 考试题库 百科 知识分享

Mr.BlackisaworkerofNo.1MachineFactory.Shethreesinceitopenedin1958.A.workedB.worksC.hasworkedD.isworking

题目详情
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
▼优质解答
答案和解析
选C ,因为他三年的工作已经在过去完成了,是过去完成式!