关于直接引语和间接引语的

关于直接引语和间接引语的
将其变为间接引语
1,Mr stone said ,"May I have a cup of tea."
2,The nurse said ,"Children,wash your hands."
3,My uncle said,"Don't open the window."
4,John asked Mary ,"What do you know about sea?"
5,The teacher said,"The sun rises in the east and sets in the west."