Building up friendly, negotiated, mutual respected relationship between teacher and students and devising student-centered teaching plan and class activity are some effective ways to activate teaching and learning and create harmonious class atmosphere.

A Study on Teacher s Questions in Classroom Interaction;

A Comparative Study of NEST and NNEST Classroom Interaction in Chinese Context;

Designing Task-Based Classroom Activities to Promote Learners Communicative Competence;

Teachers cannot teach students everything but help them learn and make improvement by themselves in classroom activities, .

This paper analyzes its causes and proposes to improve students communicative ability by training pronunciation, learning set expressions , cultivating communicative ability and designing proper classroom activities.

To put it simply, the task, which is goal-oriented and learner-centered, is a classroom activity in which students use real-life language to achieve a specific outcome.

The effective classroom activity designing can not only help students obtain language competence,but also experience the value of education in fulfilling the mutual cooperation of communicative task for realizing the promotion of personality.

This classroom activity,however,has exhibited signs of certain deficiencies.

In order to realize such classroom,we had better base on the theories backing up the interactive classroom and realize the changes of the teachers five kinds of roles,and adopt the four kinds of classroom organizations based on different situations.