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Seventy-five percent of the surface of the earth ______ by water.A、are coveredB
Seventy-five percent of the surface of the earth ______ by water.A、are coveredB
游客
2024-07-23
19
管理
问题
Seventy-five percent of the surface of the earth ______ by water.
选项
A、are covered
B、have been covered
C、is covered
D、was covered
答案
C
解析
句子意为:地球表面的75%都被水所覆盖。本题测试主谓一致。因surface是不可数名词,故谓语用单数形式。
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