Go go and keep a smile,don't give it up这句话有没有什么语法上的错误?该怎么翻译?正确的写法是什么?

To keep a friendship,one must _____ chanllenges including misunderstanding.A.go againstB.go aroundC.go alongD.go through Go go and keep a smile,don't give it up这句话有没有什么语法上的错误?该怎么翻译?正确的写法是什么? We have been good friend for years.And we must ___the friendship between us.A.go on with B.keep onC.keep up D.remain keep on a diet 只听讲过go on a diet 节食,keep on a diet She wanted to keep the conversation ____.a:going b:to go c:go 单项选择Let's_____them,ok?A.go and help B.go helping C.to go and help D go help let's go and have a look. Let's go and s____ a play. go and have a look的中文 Let’s go and have a Let us go and( )(see)a play With a smile,and happy to go. Let's go and a( )him. then we go and see a movie GO A go a go a We must keep our room clean.Dirt ...We must keep our room clean.Dirt and diseases go ___,you know.A.from time to timeB.hand in handC.step by stepD.up and down这道题选B,怎么翻译呢?Thanks!