These online sources will be useful to you while you are at OU as well as after you return home.
Craig Branham's Guide to Research with the WWW
Guide to Grammar & Writing Click on the index for explanations, examples, quizzes, and more about your special grammar problems.
Directions for viewing a powerpoint presentation
Purdue Online Writing Lab This site has lots of grammar information. Check the handouts on prepositions, for example.
Word of the Day Discover a new English word each day from this site.
Randall's ESL Cyber Listening Lab
Hungersite Help combat world hunger by accessing this site every day