We present an on-line learning system for the Italian and German languages especially created to help the people living in the Autonomous Province of Bolzano/Bozen prepare the so-called bilingual proficiency exam. In the first part of the paper we present the peculiar political, social and linguistic situation of the Province and describe the bilingual proficiency exam. After having clarified the background in which our learning system originates, we will concentrate on the system itself presenting the different parts it consists of. Section 4 will describe the system function, and section 5 will make some final comments and highlight future prospects.