题目内容
About 71 percent of the earth’s surface is c________ by water.
. covered。
解析:
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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题目内容
About 71 percent of the earth’s surface is c________ by water.
. 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。