Do you know___?A.What happened to him :B.What is the matter

Do you know___?A.What happened to him :B.What is the matter Do you know __________? A.what happened to him? B.what the m Do you know___?A.what is tom from B.what Tom is C.have to Do you know what happened( )him?A for B to C of what is the matter with 与..what happened to The boy didn't know___.A：what to do it B：what to do C：when t do you know -------? a.what he happened b.what happened to h do you know what is the matter with him 为什么不是what Do you know_____?A、what wrong is B、what is matter C、what is ( )Could you tell me-----?A.what happened to him B.what did What do you suppose has happened to him? Do you know what was happened to him.