Are the twins on the football team?

是on football team还是on the football team The football team-----trained on the playgroud I play football on the school team 在足球队是on the football team还是in the football team The boy is on the school football team 为什么on the team前要加is? The twins____members of the school football team A are both are the twins on the playground? yes, they are 为什么在足球队要用on the football team? 为什么在足球队是on the football team Our team w_____ the football match on Friday there are five_ on the team They are in the school football team.改为同义句