We already have ______pencils, but we need two ____ pens.A．dozen of ; dozenB．doz_刷题宝

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We already have ______pencils, but we need two ____ pens.

A．dozen of ; dozen	B．dozens of ; dozens
C．dozens of ; dozen	D．dozen; dozen

上一题下一题 0.64难度单项选择更新时间:2012-11-02 08:12:40

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