Thanks 阿童木 for so many English learning sites.
The following sites related to English learning and English learners are also very good.
www.thelinguist.com C A revolutionary, proven, web based system for learning English. Enjoy 1 on 1 personal tutoring, writing correction and voice chats. Learn faster, learn better, and learn on your own time!.
www.thelinguist.blogs.com C The blog or web journal of renowned linguist Steve Kaufmann, where he provides tips and advice on learning English and language learning in general.
www.imakenews.com/TheLinguist/ - A free e-magazine containing content for the English student in both audio mp3 and text format.