题目

—Every year, millions of plastic bottles ________ away, polluting the land and waterways. —That’s terrible. We should protect our environment. A . threw B . are thrown C . have thrown D . were thrown 答案: B 【详解】 句意: —— 每年,数以百万计的塑料瓶被丢弃,污染了土地和水道。 —— 那太可怕了。我们应该保护我们的环境。 考查一般现在时被动语态。根据 “every year” 可知,句子应用一般现在时,主语 “plastic bottles” 与动词 “thrown” 之间是被动关系,应用一般现在时被动语态 is/are/am done 的结构,故选 B 。
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