AbstractModerntechnologyhasprovidedmanypowerfulcomputerassistedlanguagelearning(CALL)programsthathelpstudentswithpronunciationvocabularygrammarreadingandwritingofdifferentlanguages.Howevermostoftheseprogramsareinformationorientedandarelackingininteractivelearningenvironments.WeproposeanddiscussaninteractivelanguagelearningmodelnamedFacetoFacewhichisdesignedforNorthAmericanstudentswhowishestolearnMandarinChinese.Thisprojecthasa3-phaselifecycle:(1)designandmodeling;(2)developmentan