1. http://www.englishexercises.org/makeagame/viewgame.asp?id=976 2. http://www.myenglishpages.com/site_php_files/grammar-exercise-conjunctions.php 3. https://www.perfect-english-grammar.com/linking-words-contrast-exercise-1.html 4. https://www.englisch-hilfen.de/en/exercises/word_order/conjunctions2.htm 5. https://www.english-grammar.at/online_exercises/connectives/con004-linking-words.htm 6. https://www.englishexercises.org/makeagame/viewgame.asp?id=3937 7. https://examplanning.com/conjunctions-exercises-with-answers/ 8. https://www.englishrevealed.co.uk/FCE/fce_grammar/fce_grammar_16.php 9. https://www.gingersoftware.com/content/grammar-rules/conjunctions/conjunction-exercises/ 10. https://english.lingolia.com/en/grammar/sentences/conjunctions/exercises 11. https://test-english.com/grammar-points/b1/clauses-contrast-purpose-reason/