while this tough meat is being cooked,more water should----ita be added to b add to c be adding to d be added up to选哪个 请说明理由

tough tough tough tough tough tough tough tough while this tough meat is being cooked,more water should----ita be added to b add to c be adding to d be added up to选哪个 请说明理由 求翻译!oh my...this is going to be tough... I have decided to 、、、、、、,this is really a tough decision ,sorry We cannot leave this tough job to a person in whom nobody has confidence.怎么翻译 Pls don’t delay this job everyday.Very tough guy.最后一句有没有什么俗语意 Pls don’t delay this job everyday. Very tough guy.请帮忙翻译一下谢谢 This is tough to get it as a new day for me意译为：每一天都是同样的美好tough在这里又怎么理解呢? fake tough a tough a tough