题目内容：

改间接引语.
1.She said,"My sister will be back tomorrow."
2.Mary said,"I don't like junk food."
3.Tom said,"I'm late."
4.She asked me."Do you want a cup of tea?"
5."What are you looking for " David asked.
6.Tom asked his brother,"Are you good at swimming?"
7.The woman said to her son,"Don't give up."
8.The teacher said to the students,"please be quiet."
9.The geography teacher said to us,"The earth goes around the sun."