http://www.englisch-hilfen.de/grammar/must.htm

http://www.englisch-hilfen.de/grammar/hilfsverben1.htm

http://www.agendaweb.org/verbs/modals-must-have-to-exercises.html

http://www.englisch-hilfen.de/en/exercises/modals/must_not.htm

http://www.better-english.com/easier/must2.htm

http://www.englisch-hilfen.de/en/exercises/modals/must_not2.htm

http://www.englisch-hilfen.de/en/exercises/modals/must_not_need_not.htm

https://elt.oup.com/student/solutions1stedition/preint_unit_page/unit7/grammar/exercise1?cc=us&selLanguage=en

http://www.englishgrammarsecrets.com/musthaveto/exercise2.swf

http://online-lernen.levrai.de/englisch/klasse_5_grammatik/13_must_needn_t/07_mustn_t_oder_needn_t_uebung.htm

http://www.englishexercises.org/makeagame/viewgame.asp?id=2786

http://www.english-grammar-lessons.com/musthaveto/exercise9.swf

http://www.bbc.co.uk/skillswise/game/en01soun-game-silent-invaders (game)

http://www.spellzone.com/games/index.cfm?wordlist=3585 (list with games)

http://www.quia.com/rr/137179.html

http://www.esl-lounge.com/student/pronunciation/pr22-silent-letters-exercise.php

http://www.usingenglish.com/quizzes/72.html

http://www.howtospell.co.uk/silent.php

http://www.tolearnenglish.com/exercises/exercise-english-1/exercise-english-475.php

British Council: http://learnenglishteens.britishcouncil.org/skills/listening-skills-practice (Choose Level B.1)

English Listening Brand: https://www.englishlistening.com/index.php/listen-to-passages/ (Choose Level B.1 or B.2)

English Listening Lesson Library Online: http://www.elllo.org/english/level-5-intermediate-mid.htm (Choose Level 5 (Mid-Intermediate) or Level 6 (High-Intermediate))

British Council: http://learnenglishteens.britishcouncil.org/skills/reading-skills-practice (Choose level B1 or B2)

Study Zone: http://web2.uvcs.uvic.ca/courses/elc/studyzone/410/reading/ (Intermediate)

365 ESL Short Stories: http://www.eslfast.com/eslread/

1500 ESL Conversations on 25 Topics: http://www.eslfast.com/robot/

109 mini novels for ESL students: http://www.rong-chang.com/mini-novels/m/mininovel109.htm

Magazines: http://learnenglishteens.britishcouncil.org/magazine

http://www.agendaweb.org/verbs/phrasal-verbs-by-particle.html

https://www.ego4u.com/en/cram-up/grammar/phrasal-verbs/exercises?07

http://www.aj.cz/testquiz/test21.htm

http://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-26758.php

http://www.esl-lounge.com/student/vocabulary/4v82-phrasal-verbs-up-down.php

https://quizlet.com/95118622/phrasal-verbs-list-with-down-flash-cards/

https://quizlet.com/95117151/phrasal-verbs-sentences-with-down-flash-cards/

https://quizlet.com/102141874/55-words-with-silent-letters-flash-cards/

https://quizlet.com/622104/christmas-vocabulary-flash-cards/

http://www.newlyswissed.com/11-weird-swiss-laws/

http://www.timeout.com/switzerland/blog/ten-of-the-wackiest-swiss-laws

https://en.wikipedia.org/wiki/Road_signs_in_Switzerland

https://www.ch.ch/en/

http://learnenglishteens.britishcouncil.org/magazine/life-around-world/history-halloween

Vocabulary

https://quizlet.com/622104/christmas-vocabulary-flash-cards/

Christmas Carols

http://www.esolcourses.com/topics/christmas-songs.html

Listening

http://elllo.org/english/0801/T843-Fred-Day.htm

http://elllo.org/english/0801/T840-Anja-Tree.htm

http://www.elllo.org/english/0901/T933-Sharron-Holiday.htm