We know that the Black Sea, one thousand years ago, was a fresh water lake about ______ and unconnected with the Mediterranean. [ ]A. its two thirds present si-高中英语-魔方格

◎ 题干

We know that the Black Sea, one thousand years ago, was a fresh water lake about ______ and unconnected with the Mediterranean.

A. its two thirds present size
B. two-thirds size of the present
C. its two-thirds of the present size
D. two- thirds its present size

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◎ 解析

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◎ 知识点

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