题目内容
Trees ______every spring in North China.
A.have planted | B.will plant | C.were planted | D.are planted |
D
试题分析:句意:在华北每年春天都种树。动作的承受者作主语,用被动语态。其结构是,主语+be+done。every spring,每年春天,故用一般现在时,故选D
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