what is happening和what happened怎么回答求人指点谢谢

what is happening和what happened怎么回答求人指点谢谢 what is happening 和 What is happened和 what had h what is happening.what happened.what has happened.what is up 为什么有what happened却没有what happening,而只能是what is happening,两个动 what happened?和 what's happening?是不是意思差不多?, ohh what happened?怎么回答? what is happening ? happening what now is what is happening是什么意思? what is happening 歌词 what is happening 发生, “what's the happening ”和“what the happened”的区别是什么啊?