As well all know,it's not polite to keep others_______(wait)for a long time.
问题描述：
As well all know,it's not polite to keep others_______(wait)for a long time.
答
你好，填waiting
keep sb doing sth让某人出于某种状态或者理解成让某人一直做某事
意思是：我们都知道，让别人一直等待是不礼貌的
答
您好，填waiting
句意是：众所周知，让别人等很长时间是不礼貌的
简析：因为other与wait（等）这个动作之间是主动关系，所以用wait的ing形式
祝您开心
望采纳谢谢
答
As well all know,it's not polite to keep others_waiting______(wait)for a long timewaiting