If you don't have much time,you ( )have a pet这里是个选择题,是选shouldn't,还是mustn't?为什么?

If I Don'T Have You 歌词 don't come if you have nothing If i don t have you谢 If I don t have you If you don't have an iPhone don't make trouble if you don't have to will it matter if you don't have是什么意思同上 don't be nervous,if you have a n------- don't feel bad if you have done your best If you don't have confidence,please say nothing! don't be nervous,if you have a n------- Do you love me if don't have her ? 是什么意思 if you don't want to ,then you don't have to believe if you don't have what you like,you must like what you have.求教意思 If You Don'T,Don'T 歌词 if you have it ,you want to share it .if you share it ,you don't have it.wha If you have a job without aggravations,you don't have a job. if you have a reason to live,then you don't have a reason to quit