The purpose of language learning is to improve the speakers' four skills of listening, speaking, reading and writing, with the base of large vocabulary and good grammar, but this is not the final purpose. The final purpose is to let speakers be able to use the language. For instance, why do people study English? If a man is only good at listening and speaking, can people say that he is good at English? No. If …showed first 75 words of 665 total…

…showed last 75 words of 665 total…the text and write compositions. It can foster the learner's ability to summarize and to use the language freely. Generally these four skills cannot be separated. People often say "First listening and speaking, then reading and writing." But this way of saying is fit for the beginning stage. Before they are going to have a new lesson, do reading and writing first. So, training and practicing helps learners that raise their ability of language skills.