问题
选择题
______ of the earth’s surface ______ covered with water.
A Two-third; is B Two-third; are C Two-thirds; is D Two-thirds; are
答案
答案：C
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______ of the earth’s surface ______ covered with water.
A Two-third; is B Two-third; are C Two-thirds; is D Two-thirds; are
答案：C