Once _a promise,you should keep itA.having made B.making求详解

Once _a promise,you should keep itA.having made B.making求详解 翻译Once you make a promise ,you should keep it Once you have made a promise ,you must carry it out.翻译 Once,this is a promise Once having made a promise,you should keep it.have为什么要用having? 时态题：once you_(make)a promise,you must keep it.请说明理由 状语从句填空:Once your promise ____(make),you will keep it without regret. 状语从现填空:Once your promise ____(make),you will keep it without regret. ____ you have made a promise,you should carry it out.A.For B.UntilC.As soon as D.Once once后面时态.１、Once he said that,I know he was lying.2.Once you have make a promise,you must carry it out.两句都对?once后面究竟完成时态还是一般时? To promise you my I will promise you could you pease promise Remember the promise you Promise,you are an I promise you （）you have made a promise,you should cary it out.A.Once B.Until C.For D.As soon as Once you ____ a promise,you must carry it out.A.have made B.had made C.makes D.is making