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    To make the city beautiful, a lot of flowers and trees ____ every spring.

    A. plant B. are planted C. planted D. were planted

     

    B

    【解析】

    试题分析：句意:为了让城市变漂亮，每年春天都会种很多的花和树。plant 在这里是一个动词，意思是种植。根据句意可知，每年春天都会种花，种树，所以这个句子应该用一般现在时；故排除C和D。又根据句意可知，这里的主语flowers and trees和动词plant之间是被动的关系，应该用被动语态。故选B。

    考点：考查动词时态和语态。

     

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