you can be in our club.为什么要用be与in?

you can be in our club.为什么要用be与in? can,in,club,be,you,English,our连词成句 I think you can ____(be)in our sports club. maybe you can be in our school concert为什么要用be in 不能用in Then you can( ) in our scholl music club.填（be ）（are）（to be）（ You can be in our mucic club.be是哪来的?（尽量详细） you,swimming,then,our,can,be,in,club连词成句 you can join the story telling club.为什么加ing?you can be in ou then you can be in our school music festival .中为什么要加be? You can be in our school music festival的be Then may be you can be in our school concert. be in… (She can be in the art club.)