According to a UN report, some 844 animals and plants ______ in the last 500 years.A．disappeared B．were disappeared C．have disappeared D．had been disappeared-高中英语-n多题

◎ 题干

According to a UN report, some 844 animals and plants ______ in the last 500 years.

A．disappeared	B．were disappeared
C．have disappeared	D．had been disappeared

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◎ 解析

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◎ 知识点

根据n多题专家分析，试题“ According to a UN report, some 844 animals and plants ______ in the last 500 years.A．disappeared B．were disappeared C．have disappeared D．had been disappeared…”主要考查了你对【一般现在时】，【将来进行时】，【过去完成进行时】，【过去将来时的被动语态】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。

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