they are having fun in the park(改为同义句) they are __ __ __ in the park__ __ __里填什么

问题描述:

they are having fun in the park(改为同义句) they are __ __ __ in the park
__ __ __里填什么

填having a ball,意思是‘玩的开心’,这句话的意思是‘他们在公园玩得很开心’.