◎ 题干
---Your city looks beautiful.    --- Yes. Lots of trees and grass _______last year.
A.are plantedB.have planted C.were plantingD.were planted
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“---Your city looks beautiful. --- Yes. Lots of trees and grass _______last year.A.are plantedB.have planted C.were plantingD.were planted…”主要考查了你对  【一般现在时】【过去进行时】【过去完成进行时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。