once的用法Once you have made a promise,you must keep it.这里once后

Once having made a promise,you should keep it. Once you ____ a promise,you must carry it out.A.have made B. Once you have made a promise ,you must carry it out.翻译 Once _a promise,you should keep it once you ____ a promise,you must carry it out. （）you have made a promise,you should cary it out.A.Once B.Un 23.Once you set a goal,you must _________ it. 状语从现填空:Once your promise ____(make),you will keep it without send me your address once you received it.句中once 后的receive用原 Once have.You'll rest Once you made adecision ,you should ____it . once you want,you must try to