It's good for you to keep_____when something difficult needs

It's good for you to keep_____when something difficult needs it's good for you to keep () ,when something difficult needs it's good for you to keep____when you have something difficu It's good to w___ something for people It's no good waiting for something to turn up. Never give up on something you really want.It’s difficult to it's difficult for college graduates to find a good job in C It's very difficult for Betty to find a good jod? I am very h____ .I want something to eat It's good for us to 翻译（十分钟之内!） It's good to write something for people to read! it's good for you to eat some b____before break It's good for us young to do something _____ our own?填什么介词