在星期天上午，我去了图书馆。我读了一本关于历史的书。
这是一本关于古罗马历史的书。
爸爸读了一本关于中国历史的书。
我们一人买了一本书。你的是关于管理的，我的是关于美国历史的。
We each bought a new book. Yours is about management and mine is about the American history.
一本关于非洲历史的书。
据说他正在写一本关于美国历史的书。
It is said that he is writing a book about American history.
不久前，我开始读“The Prize，”“石油世纪”一书，一本关于石油历史的书。
Not long ago I started reading "the Prize," a history of the oil business.
据说她写了一本关于中国历史的书。
She is said to have written a new book about Chinese history.
据说她写了一本关于中国历史的书。
She is said to have written a new book about Chinese history.
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