About 71 percent of the earth’s surface is c________ by water. -英语

题目简介

About 71 percent of the earth’s surface is c________ by water. -英语

题目详情

About 71 percent of the earth’s surface is c________ by water.
题型:听力题难度:偏易来源:不详

答案

. covered。
根据常识可知答案,但要注意用过去分词,因为此处为被动语态。

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