R.O.,R

• R for request, O for obligation and R for refusal.
• "Close the door."
• "Yes.I will."
• "Here,you are."
• "I'm sorry! I can't".
• " Lend me your car."
• " Yes.Take this key."
• " I am sorry.I can't.
• " I won't."
• " I won't lend my car and pen
• "to any one even to my own
• brother".
• "Go home now".
• "yes.sir. 
• " No sir! I can't.
• I haven't finished my work."
• " Bring your English book."
• "yes,sir. Here it is."
• " Thank you."
• " No.sir ! I'm sorry,
• I didn't bring it today."
• oooooooooooooooooooooooo
• https://www.youtube.com/watch?v=CVuKr5y9AbY