I asked your secretary if she _______（can）come.

I asked your secretary if she _______（can）come. i asked your secretary ( )mary () come or not A whether can I asked your secretary whether she couldcome or not i asked my mother if she -----(come)back soon 问题如下（要有解析）1.I asked your mother if she ________ that dress.A I asked my mother if she would come back soon.为什么不用that用if. He asked me ＿ A if she will come B how many books i want to He asked me ____.A.if she will come B.how many books I want He asked me A if she will come B how many books I want to ha He asked if Tom _______ (come) in two days. 谁能帮我分析一下这个句子：I asked your secetary whether she could come or She asked me if I knew?