袜子包装:....you should write that article to invite people join us first!

一道英语题：Your parents are the person( )( )you should write ....you should write that article to invite people join us first! you should ....语法对吗？ YOU SHOULD ..哪里错误? you should have studied if you should go you should know i love you you should be home = you should at home ? What should you eat food? you should know better that you should know better that