He works as an engineer now, but he _______ on a farm for three years.A.has workedB.workedC.was work

题目简介

He works as an engineer now, but he _______ on a farm for three years.A.has workedB.workedC.was work

题目详情

He works as an engineer now, but he _______ on a farm for three years.
A.has workedB.workedC.was workingD.had worked
题型:单选题难度:偏易来源:不详

答案

B

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