Seventy-five percent of the surface of the earth ______-找考题网

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Seventy-five percent of the surface of the earth ______ by water.
A) are covered C) is covered
B) have been covered D) was covered

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In. our hospital, there are altogether 120 ______. A) woman doctors C) womans doctors B) women doctors D) women's doctors

In. our hospital, there are altogether 120 ______.
A) woman doctors C) womans doctors
B) women doctors D) women's doctors

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