(2013·合肥一中二模)I don"t know who invented ________ iphone，but I think it is _______ - 高中英语试题 - 超级试练试题库

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题型：不详难度：来源：

(2013·合肥一中二模)I don"t know who invented ________ iphone，but I think it is ________ useful invention.

A．the；a

B．the；the

C．an；the

D．an；a

答案

解析

句意：我不知道是谁发明了iphone，但是我认为它是一个有用的发明。前一空是类指，用定冠词；后一个空格是泛指，表示“一个，一种”。

核心考点

试题【(2013·合肥一中二模)I don"t know who invented ________ iphone，but I think it is _______】；主要考察你对冠词等知识点的理解。[详细]

举一反三

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