Look!There are some old people ___(swim)in the sea.填空详解谢谢

问题描述:

Look!There are some old people ___(swim)in the sea.填空详解谢谢

swimming 进行时 V+ing 形式

swimming表示正在,主动式
老师祝你学习进步!
望采纳,多谢!^_^

swimming,看见某人正在做某事,用v+ing形式