Breaking up water into oxygen and hydrogen is a chemical change.为什么change不是changing?当change不当谓语动词时是不是就应该改为changing?

Breaking up water into oxygen and hydrogen is a chemical change.为什么change不是changing?当change不当谓语动词时是不是就应该改为changing? People cleaned the water up in a sewage plant.英语翻译 breaking-up price是什么意思及反义词 you wind up breaking your back Should we are breaking up?翻译下下 .People cleaned the water up in a water treament works.英语翻译 Breaking breaking breaking breaking BREAKING breaking The water goes up 请问draw up water 英语翻译I had a pick-up truck that was forever breaking down and the thought of the 600km drive to school in it was a worrisome one. Drivers in China will face stricter punishment for breaking traffic regulations,_______there are now more than 50,up from 38Aof what Bfor what Cof which Dfor which The piece of goods kept ______.we had to cut the expenses in order to meet our daily needs.A.standing up B.breaking down C.going up D.putting up oh,you're breaking up on me ←思念意思?