of the water polluted. We must try to protect our environment.A．Two third; areB．Two third ; isC．Two thirds; areD．Two thirds ; is 题目和参考答案——青夏教育精英家教网—

题目内容

______of the water_____polluted. We must try to protect our environment.

A．Two third; are	B．Two third ; is
C．Two thirds; are	D．Two thirds ; is

解析试题分析：句意：三分之二的水被污染了，我们必须保护我们的环境。分数的表示是：分子用基数词，分母用序数词；分子超过一，分母要用复数形式。Water做主语，谓语动词用单数。故选D。
考点：考查分数和主谓一致。

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