what happened to him yesterday.为什么要用happened?happen可以吗

what happened to him? He looks_____(worry).What happened to him? She is _____(wonder) what happened to him.She is _____(wonder) what happened to him. Do you know___yesterday afternoon?A.what happened him B.what he happened C.what happened to him D.what was happened to him do you know -------? a.what he happened b.what happened to him c.what did he happened I wanted to know_to him.为什么填what happened而不是what has happened? What happened to him?(同义句)What's_____with him?What's the__________? What 's the trouble with him和 What happened to him意思差不多吧? what happened to him yesterday.为什么要用happened?happen可以吗 I don’t know what ___ last night.用he happened 还是happened to him 为什么 选择 What ___ him just now?He is unhappy.A.happened B.happened to C.happening D.happened with Do you know what ___ yesterday?A.he happenedB.happened himC.he happened toD.happened to him do you know what happened with him ?/to him? with 还是to? 英语同意句what happened to him ————him they don't know what ————yesterdayA.did he happen B.he happened C.happened to him D. was happened to him they don't know what ————yesterdayA.did he happen B.he happened C.happened to him D.was happened to him I want to know what --------- him.A .happened B,has happened to C,is happening D,will happen to what happened to 和what happened