INDIRECT QUESTIONS (also called 'Reported Speech')

Try these activities.

http://a4esl.org/q/h/vm/indirectques.html
http://www.learnenglish.org.uk/grammar/archive/indirect_questions.html
http://www.1-language.com/englishcourse/unit66_grammar.htm
http://www.usingenglish.com/quizzes/312.html
http://www.ego4u.com/en/cram-up/grammar/reported-speech
http://a4esl.org/q/h/9901/tm-reported1.html
http://www.eslpartyland.com/quiz%20center/rptspeech1.htm
http://www.englishlearner.com/tests/report.html
http://www.eslus.com/LESSONS/GRAMMAR/REPORTSP/Rs1.htm