Once you made adecision ,you should ____it .

Once you made adecision ,you should ____it . Once having made a promise,you should keep it. （）you have made a promise,you should cary it out.A.Once B.Un You should a doctor at once Once _a promise,you should keep it you should (给他打电话)at once You should think it over before you made a d_______. you should have made much progress if you ----trying. Never regret something that once made you smile. Nevery ever forget the things that once made you smile Never regret something that once made you smile什么意思 请问never ever forget the things that once made you