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Thanks to ________ invention of the Internet, people can stay at home chatting with ________ friends online.
A．the；the　B．不填；the
C．the；不填　D．不填；不填
C
考查冠詞。笫一空，“因特網(wǎng)的發(fā)明”是特指概念，故前面加定冠詞the；第二空，friends是復(fù)數(shù)，泛指朋友，故前面不加冠詞。
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