______ by a greater demand for vegetables,farmers have built more green houses.A.DrivenB.Being drive

题目简介

______ by a greater demand for vegetables,farmers have built more green houses.A.DrivenB.Being drive

题目详情

______ by a greater demand for vegetables,farmers have built more green houses.
A.DrivenB.Being driven
C.To driveD.Having driven
题型:单选题难度:中档来源:不详

答案

A
动词+ed形式作状语时,表示该动作与句子的主语是被动关系。动词+ed形式作状语可以表示时间、原因、方式或伴随情况等。根据farmers与drive的关系可确定用动词+ed形式作状语,表示被动。

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