Change sentences 1-3 into indirect speech and 4-6 into direc

Change sentences 1-3 into indirect speech and 4-6 into direct speech.
1.The old merchant said to his sons,"Tell me what you'll buy with the coin."
2.A foreigner said to the driver,"Drive me to the nearest post office."
3.The teacher said to her students,"Don't forget to hand in your exercise books tomorrow."
4.The youngest sonn asked the people in the room to,look at this candle.
5.One of the boss' friends asded him why he liked the boy.
6.Mary told me she didn't know what to do.
改 间接 直接 引语