把下列语句变为间接引语
1.Frank said,"I'm doing my regular exercise."
2."I saw that drama in 1987,"my aunt said to me.
3."I'll go to see the show again tomorrow,Lisa,"he said.
4.She says,"I've been busy doing the new project these days."
5."Oxygen is a gas,"the teacher said to us.
6."You can telephone the police for help,"I told him.
7.She says,"I lost my new bicycle two days ago."