Link to learn.

This site is for elementary and intermediate learners of English.You can study grammar or vocabulary topics and try one of the 400 exercises and language games.
http://www.learnenglish.be

Funny Stories.
http://dict.longdo.com/popthai-url.php?service=popthai&url=http%3A%2F%2Fwww.short-funny-stories.com%2F

English School Club is a club for English Language Schools, and its purpose is to allow students from schools from the world to communicate with each other.
http://www.esclub.gr/default_main.asp?rr=38188389

Online TESL/TEFL Training.
http://www.icalweb.com/wiki/index.php?title=Main_Page

Examples of use in English.
http://www.dicts.info/examples.php

Two words are homophones if they are pronounced the same way but differ in meaning or spelling or both (e.g. bare and bear).
http://www.firstschoolyears.com/literacy/word/other/homonyms/resources/Homophones.pdf
http://www.google.com/search?hl=en&q=intitle%3Ahomophones&btnG=Search
http://www.wordwebonline.com/

Two words are homographs if they are spelled the same way but differ in meaning (e.g. fair).
http://www.johnsesl.com/templates/vocab/homographs.php
http://www.google.com/search?hl=en&q=intitle%3Ahomographs&btnG=Search

Two words are homonyms if they are pronounced or spelled the same way but have different meanings.
http://a4esl.org/q/h/homonyms.html
http://www.google.com/search?hl=en&q=intitle%3Ahomonyms&btnG=Google+Search