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标题: a grammar question [打印本页]

作者: beckyfxie 时间: 2003-10-13 00:56
标题: a grammar question
2000.1 grammar of 29

The orbit of a celestial body is usuually in the shape of ellipse.

How to solve it? thanks first.

作者: necrophile 时间: 2003-10-13 01:12
in the shape of "an ellipse"
ELLIPSE是可数名词

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