【英语】Is everyone (having/has) a good time in the classroom?

【英语】Is everyone (having/has) a good time in the classroom? everyone()a good time in the party.A.having B.is having C.ha Everyone is having a good time in the park.变为一般现在时 Everyone is having a good time in the park.是否正确,错的请改正. Everyone is having a good time to play beach volleyball Everyone is having a good time.改为同义句. good,is,a,everyone,time,having,look连词成句 请问Everyone is having a good time.同义句是什么? everyone is having a good time.（改为同义句） 同义句 Everyone is having a good time. good.is.a.everyone.time.having.look.(,)连词成句 everyone is having a good