Designing language-using exercises very well can not only help pupils increase their lan-guage ability but also help teacher raise teaching efficiency.

Then what is called "task"? "Is it the same as the langue practice in the traditional methodology? How many aspects will be related with "task"? How can the teacher design it? In fact, "tasks" are "doing things", and these things are nearly the reproducing processes of everyday communication, but it should be stres.

This paper analyses the specialties of language usage of dual and multi-language families,and then points out that we should pay more attention to these specialties and Mandarin Chinese in Chinese teaching,and at the same time,we must not neglect the importance of dialects in teacher-student communication.

This paper analyzes some obstacles to students listening ability, which can be put into the following two categories: language usage and text.

The purpose is to improve the students\' interest in studying English, foster their innovatory spirit and comprehensive ability of language usage.

On the functions of language environment in language using;

Sexism in language using reveals itself on all the language levels,phonology,mor phology and vocabulary,grammar,and conversation.