The document discusses the history and development of listening instruction. It summarizes that listening was incorporated into language instruction in the 1980s and became an important area of study in the 1990s. However, listening is still regarded as the least important skill. It then outlines different models of listening instruction, including listening and repeating, listening and answering comprehension questions, and listening and carrying out tasks. The focus has shifted from pattern drills to developing communicative competence.