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Elephants have their own way to tell the shape of an object and ----------it is rough or smooth.A / B whether C how D what

回复(1) 2010-02-13 11:19 来自版块 -

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: Teacherhei：B,因为rough和smooth是反义词的关系，所以应该由一个表示选择关系的引导词来引导。。。(2010-02-13 11:33)

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