Here are some MICASE-based self-study materials. In each lesson, there are interactive exercises that will give you feedback based on your own input. Please note that the newest version of RealPlayer is required for audio files.

• Spoken Academic English Formulas by Rita Simpson, Sheryl Leicher, & Yung-Hui Chien (January, 2007)
• Clarifying and Confirming by Sheryl Leicher & Yung-Hui Chien (September, 2007)