题目

______． 答案：【答案】-1【解析】原式先计算括号中的减法运算，再计算乘法运算即可得到结果．解：原式，故答案为：．His mother was born (出生) ________ .A. in the 1950s B. in the 1950s’C. in 1950s’ D. in the 1950