Change direct speech into indirect speech.1.I said to Mike,"Have you paid

Change direct speech into indirect speech.
1.I said to Mike,"Have you paid the bill?"
2.George said to the waiter,"Bring me a cup of black coffe,please."
3.He asked us,"How long does it take you to get to the university?"
4.The doctor said to me,"Stay in bed for a few days."
5.He remarked,"She has to keep to two subjects."