He seemed _______what had happened . A to know B know C know

He seemed _______what had happened . A to know B know C know do you know -------? a.what he happened b.what happened to h 抢分好机会,小学英语he thinks each of us ( ) him.A.know.B.to know .C.k -----he ---it?a does;need know b does;need to know c needs ; Do you know what happened( )him?A for B to C of He know she was crying_______what he had said.A due to B bec Now we know what-----yesterday.A.was happened B.happened C.h do you know what ( ) just now.A.was happened B.happened C.ha I want to know what --------- him.A .happened B,has happened he doesn't seem to know what happened last night ( )to know Progessor Zhang.A,He said B,I said C,He is said D （ ）He doesn't know ( ).A.what to do.B.what he can do .C.how