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

题目简介

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

题目详情

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
题型:单选题难度:偏易来源:不详

答案

C
考察时态,根据题意根据联合国报告,在过去500年中大约844中动物和植物已经消失。说的是过去发生到现在已经完成的事情,故选C,现在完成时态。

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