题目

用数学归纳法证明，从到，左边需要增乘的代数式为（ ）Ａ．            Ｂ．                     Ｃ．           Ｄ． 答案：ＢHe _____ a great actor as a child, and at last his dream ______. A. dreamed to be; came to true　　　　 B. dreamed of being; realized C. dreamed of being; came true　　　　 D. dreamed being; realized