题目

计算的结果是（        ） A．           B．            C．           D．  答案：D(   ) 3.    -          has  your father  been staying in Jiuzhaigou?--For two weeks.—        will  he be back?—In two days,I think.   A. How long;How often   B. How soon;How long    C. How long;How soon   D. How many;How soon