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【题目】 They have finished __________ of the work. We will have to finish the rest tomorrow.

A. two three B. two thirds C. two third D. second threes

【答案】B

【解析】考查分数的用法。句意:他们完成了三分之二的工作。我们明天将完成剩下的工作。表示分数,用复数。故选B

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