There are no trails of the wings in the sky,while the birds has flied away.
问题描述：
There are no trails of the wings in the sky,while the birds has flied away.
这句话里面的has是不是应该改成have或者把birds改成bird?
答
对的~天空中原无翅膀的痕迹 但鸟已飞过 如果用鸟比作特指某人 改为bird 如果是指超越自己 没什么不可能的意思 则保留birds 后面助动词 改为 have