Here's an Argentine site that has American English listening

Here are some sites for focusing on grammar:

The Azar Grammar website has PowerPoints that present the various grammar points covered in the Azar Grammar series:

Basic English Grammar (Beginning Level)

Fundamentals of English Grammar (Intermediate Level)

Understanding and Using English Grammar (Advanced Level)

Each of the Step Forward chapters include a grammar exercise. Here's a link to the Step Forward site. Make sure you click on your book image so you are on the right level.

A4ESL has lots of grammar exercises. They are divided into easy, medium, and difficult. The exercises are done by many different teachers in different ways so try more than one if you don't like the first one that you try.

The BBC Learning English site has excellent grammar lessons . Make sure you look at the "Grammar Challenge".

Manythings.org has a grammar section. Some of the exercises link to A4ESL but some of them are just on many things.

 Here are A4ESL exercises dealing with money and banking:

Money and the United States

Borrow or Lend?

Banking: Scrambled Word Quiz

Banking Vocabulary: Choose the Opposite

Oxford University has many sites to support their textbooks. Here's a link to the main page.

Oxford University Press has online activities for their texts. Here's the Step Forward site's page.

Here's a great site for listening. There are diagrams to show motions and recordings to the diagrams.

A4ESL.ORG is a website developed by ESL/EFL teachers and has lots of quizzes, puzzles, and activities. Here's a link to their easy grammar quizzes.

The University of Iowa's Sounds of English lets you pick sounds that you want to hear and see diagrams of how they are pronounced.

Minimal Pairs Practice gives you the opportunity to choose between two similar sounding words.

Marshall Adult Education Center's Reading Skills for Today's Adults has graded reading lessons on life skills topics. There are two levels covering grades 1-8, Level 1 (grades 1-4.5) and Level 2 (grades 5-8). There are printed versions of the readings for teacher use.