although despite

http://www.myenglishpages.com/site_php_files/grammar-exercise-although.php#.Ut4687ODMdU
http://www.autoenglish.org/generalgrammar/AlthoughandDespiteExercise.htm
http://www.learn-english-today.com/lessons/lesson_contents/exercises/although-despite%20ex.htm
http://www.slideshare.net/julielbanks/connectors-of-reason-purpose-and-contrast