Here are some interesting websites to review and practice Reported Speech
Have a try!
http://www.perfect-english-grammar.com/reported-speech.html
http://www.englisch-hilfen.de/en/exercises_list/reported.htm
http://www.english-4u.de/rep_speech_ex1.htm
http://www.english-4u.de/rep_speech_ex2.htm
http://www.english-4u.de/rep_speech_ex3.htm
http://www.english-4u.de/rep_speech_ex4.htm
http://www.english-4u.de/rep_speech_ex5.htm