Many online writing centers and ESL websites provide helpful information and exercises for practice. Here are a few of them.
Activities for ESL Students: This site, sponsored by the Internet TESL Journal, provides quizzes, tests, exercises, and puzzles submitted by ESL teachers.
Guide to Grammar and Writing: This site includes comprehensive coverage of everything from punctuation to research, using clear examples and detailed explanations. It also includes quizzes on various grammar and writing issues.
Randall’s ESL Cyber Listening Lab: This site has a wide variety of exercises—from the everyday to the academic—which provide audio files for listening and quizzes to assess comprehension.
Ultralingua Online Dictionary: This site offers various language-related tools, grammar references, and dictionaries.
Voice of America: Wordmaster: This news and information site allows users to read along as they listen to audio files of articles about English grammar and usage. The site also includes word games and quizzes.