ARTICLES: A - AN - THE

A - AN

http://www.englisch-hilfen.de/en/grammar/artikel2.htm
http://www.englisch-hilfen.de/en/exercises/nouns_articles/article_a.htm
http://www.englisch-hilfen.de/en/exercises/nouns_articles/article_a2.htm
http://www.esolcourses.com/content/exercises/grammar/articles/cloze/cloze2.html


THE
http://www.englisch-hilfen.de/en/grammar/artikel.htm

http://www.englisch-hilfen.de/en/exercises/nouns_articles/a_the.htm

http://www.englisch-hilfen.de/en/exercises/nouns_articles/article_the.htm

http://www.englisch-hilfen.de/en/exercises/nouns_articles/article_the2.htm

http://www.englisch-hilfen.de/en/exercises/nouns_articles/article_the3.htm

http://perso.wanadoo.es/autoenglish/gr.an.i.htm

http://myenglishgrammar.com/lesson-9-articles.html

http://owl.english.purdue.edu/exercises/2/1/12

A - AN - THE - (Ø)

http://www.manythings.org/fq/1/9995.html

http://esl.writingexercises.co.uk/articles.php

http://www.eflnet.com/grammar/articles.php

http://esl.fis.edu/grammar/single/articles_r.htm

http://esl.fis.edu/grammar/multi/article2.htm

https://agendaweb.org/grammar/articles-beginners-exercises.html