Wastepaper________everywhere.It'sour

发布时间:2020-07-27 16:37:09

Waste paper ________ everywhere.It's our duty to keep the school clean.A.throwsB.are thrownC.shouldn't be thrownD.should be thrown

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C解析考查点:考查语态。解题思路:根据句意:废纸不应该被扔的到处都是,保持学校清洁是我们的责任。主语与动词之间是被动关系。故选C。
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