.___computer is the most important invention in __
.___computer is the most important invention in ____ twentieth century. A. The, / B. A, / C. The, the D. A, the
选择C. The, the 。
___computer is the most important invention in ____ twentieth century. A. The, / B. A, / C. The, the D. A, the 【答案】 :C 【解析】 :in the twentieth century.
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