翻译Once you make a promise ,you should keep it

Once _a promise,you should keep it Once having made a promise,you should keep it. 英译中：1.If you make a promise you should keep it 状语从现填空:Once your promise ____(make),you will keep it without （）you have made a promise,you should cary it out.A.Once B.Un Don' make a boy a promise,If you know you can't keep it Once you have made a promise ,you must carry it out.翻译 once you ____ a promise,you must carry it out. If you make a p_____,you should try to keep it. you can not do it that way.you should keep your promise A.You should keep Once you ____ a promise,you must carry it out.A.have made B.