you don't konw that how long i've been waiting for this moment.Wa_英语解答

you don't konw that how long i've been waiting for this moment.
Waiting for 这里为什么用ing形式?

人气：492 ℃　时间：2019-12-17 18:18:48

解答

have been doing 完成进行时,强调一直在进行某个动作,延续到现在.