The class teacher wanted to___ who helped the old lady cross

The class teacher wanted to___ who helped the old lady cross Who helped the old woman go ( )the street?Tina ( ).A.cross;d She is the lady _______ helped the old woman yesterday.A.who ______Mary helped an old lady carry the heavy bag the old lady looked at the children to cross the road . 为什么t the teacher wanted to see who planted the() trees this morning l helped an old man cross the street___to schoo It is very kind __ you __the old lady cross the road. Bob who everyone hates helped the old man who lost his way.这 The kind girl helped the blind man cross the street__ The old lady who saw the bus _______into the river phoned th It ( )Mike and Mary who helped the old man several days ago.