题目

用所给词的适当形式填空 1.Will books be _________ (replace) by computers? 2.Information can be _________ (store) on the computer. 3.The ________ (print) is one of the greatest inventions. 4.The _________ (introduce) of the Internet has changed our life a lot. 5.Railways are important to the economic ________ (develop) of a country. 答案：1.replaced   2.stored   3.printing   4.introduction  5.development

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