He works in a factory now, but he on a farm for 20 years.A.workedB.has workedC.had workedD.had been

题目简介

He works in a factory now, but he on a farm for 20 years.A.workedB.has workedC.had workedD.had been

题目详情


He works in a factory now, but he   on a farm for 20 years.
A.workedB.has workedC.had workedD.had been working
题型:单选题难度:偏易来源:不详

答案

A

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