We are swimming ( ) the sea.为什么写across不用through?

we are good at swimming.同we( ) ( ) ( )swimming Some of______(we)are good at swimming We are good at swimming对We提问 We are enjoying_____ in the pool 填swim还是swimming 同义句转换 we are going swimming next weekend . We are swimming ( ) the sea.为什么写across不用through? 是we are going swim还是we are going swimming 正确 单项选择：Lets go swimming ,( )?A、do we B、will we C、shall we D、are we when we are tired of study,we can go swimming .可以改为when tired of study,we can go swimming吗 适当形式填空Some of ____(we)are good at swimming Some of______(we)are good at swimming 应用什么形式 为啥 说下理由 Next we are going to go to the swimming.什么意思 We are going to swimming last week.为什么是过去式还要用ing 谁能写出关于swimming的英语文章要写出why do people like swimming?what should we pay attention to when we are swimming?60－80左右 shall we go swimming tomorrow? Are you good at swimming? you,at,are,good,swimming 句子we go swimming中.swimming 作什么句子成分