Links to exercises

Pronunciation practice:

American English Pronunciation Practice
Train Your Accent

Vocabulary:

SpeakEnglish (Easy vocabulary and phrases with audio - no explanations)
Free Rice (Intermediate - Advanced)
Quizlet (Make your own vocabulary exercises!)

Exercises with Finnish instructions:

Kielitaituri
YLE oppiminen

Exercises in English only:

Easy things for beginners

AgendaWeb (Easy - Intermediate)
http://a4esl.org/ (Easy - Intermediate - Advanced)

http://iteslj.org/links (Intermediate - Advanced)
BBC Learning English (Intermediate - Advanced)
English Page (Intermediate - Advanced)

Facebook:
BBC Learning English (daily words and expressions)