[多选题]In speaking teaching, teachers need to adhere to the principles of focusing on ( ) and ( ), depending on the objectives.sjr答案窝(daanwo.com)-大学生作业答案及考资分享平台 Apronunciationsjr答案窝(daanwo.com)-大学生作业答案及考资分享平台 Bintonationsjr答案窝(daanwo.com)-大学生作业答案及考资分享平台 Caccuracysjr答案窝(daanwo.com)-大学生作业答案及考资分享平台 Dfluency