I can't understand__ a decision all the time until it is too

I can't understand__ a decision all the time until it is too .I can’t understand ______ a decision until it is too late.a I can’t understand ______ a decision until it is too late. 请教英语单选题I can't understand __ a decision until it is too late we can't understerand ——a decision until it is too late. I can not understand a decision until it is too late. I cant understand ( )a decision until it is too late. We can't understand ____a decision until it is too late the( )is too difficult.I can't guess it. The movie is too _______ . I can't stand it. the iphone4 is () i can't buy it . A cheap enough B too chea 单选题：I don’t mind ___ the decision as long as it is not too l