Sentence Navigation
http://www.englishraven.com/SentNav_main.html

Guide To Grammar And Writing
http://webster.commnet.edu/grammar/

Welcome to the Internet Grammar of English!
http://www.ucl.ac.uk/internet-grammar/

An On-Line English Grammar by Anthony Hughes
http://www.edufind.com/english/grammar/

ESL Blues
http://www.ucl.ac.uk/internet-grammar/

Welcome to the Internet Grammar of English!
http://www.collegeem.qc.ca/cemdept/anglais/trouindx.htm#adj

GoEnglish.com
http://www.goenglish.com/TheAppleOfYourEye.asp

Idiom Connection
http://www.geocities.com/Athens/Aegean/6720/

Idiom Site
http://www.idiomsite.com/

English Idioms, Sayings and Slang
http://home.t-online.de/home/toni.goeller/idiom_wm/

Idiom Site
http://www.idiomsite.com/

William Shakespeare
http://www.hkedcity.net/article/weekly-highlights/shakespeare/index.phtml

Diary of Anne Frank
http://www.hkedcity.net/article/weekly-highlights/annefrank/

Young Post Online
http://yp.scmp.com/

Free Game
ttp://www.coloring.ws/games.html

Algebra Net
http://resources.emb.gov.hk/~algebra/

數學知識
http://episte.math.ntu.edu.tw/

Get to Mathematics
hhttp://chuwm.tripod.com/

數學資訊網
http://infomath.nctu.edu.tw/

IQ智商測試【數理智商測驗】
http://www.gaonaojin.com/iqtest/main.htm

Mathematicsland，講數談數
http://www.geocities.com/monicachan006/

Stat.net
http://www.hked-stat.net/common/c_sitemap.htm

一二三齊來數數
http://go.to/123hkmath

中學數學科園地【香港資訊教育城】
http://www.hkedcity.net/iworld/index.phtml?iworld_id=68

香港數學教育學會
http://www.hkame.org.hk/

數學網
http://www.edp.ust.hk/math/

數學資料庫
http://www.mathdb.org