About 71% of the earth’s surface ______ covered with water, but 20% of the world population ______ h

题目简介

About 71% of the earth’s surface ______ covered with water, but 20% of the world population ______ h

题目详情

About 71% of the earth’s surface ______ covered with water, but 20% of the world population ______ have access to safe drinking water.
A.is; doesn’t B.are; don’t C.are; doesn’t D.is; don’t
题型:单选题难度:偏易来源:不详

答案

D

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