Look!Who is -------------------in the the pool?

Look!Who is -------------------in the the pool? girl,in,who,the,pool,is,swimming连词成句 连词成句:girl,in,who,the,pool,is,swimming Who is that boy _____ in the pool? who swims in the pool还是who swim in the pool The boy is swimming at the pool.为什么是at the pool?用in the pool what about------（swim）in the pool?look,she is swimming in th Look! Jim is swimming in the pool . What lessons are you hav Look!Jim is swimming in the pool .指出错误并改正 There is ____ fish in the pool. in the pool&at the pool in the pool和at the pool