In the Communicative classrooms, the teacher might be a"

 In the Communicative classrooms, the teacher might be a"________"---engaging in communicative activities along with students.

co-communicator

co-instructor

co-learner

co-performer

答案及解析：本题考查教学实施中教师的角色。本题答题技巧在于关键词，由“communicative activities”破折号后的内容“与学生一起在交际活动中交流”可知，此时教师的角色是合作交流者。综上，A选项正确。故正确答案为A项。