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单选题公共英语一级

2017-02-14

--Your city looks beautiful!
--Yes. Lots of trees and grass ______ last year.

A．were planted

B．have been planted

C．planted

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参考答案

A

答案解析

本题考查被动语态和时态。“树和草被种植”，所以要用被动语态。last year要求动词用过去时。

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