(b) Change the narration of the following : (i) " You know it isn't safe to go to bed without locking the door", he said to his son.
ক
He said to his son whether he (son) knew the safety to go to bed without locking the door.
সঠিক উত্তর: He said to his son whether he (son) knew the safety to go to bed without locking the door.