All_____you can do to comfort her is to listen to her story a what b that c which 一个一个选项讲一讲,
问题描述：
All_____you can do to comfort her is to listen to her story a what b that c which 一个一个选项讲一讲,
答
如果没有all,就用a what.因为有all,所以要用that.