问题:
[单选题]________ helps learners to focus attention on the horizontal tongue movement in pronouncing monophthongs. ()AvM答案窝(daanwo.com)-大学作业答案分享平台
ATeacher’s demonstrationAvM答案窝(daanwo.com)-大学作业答案分享平台
BTongue position activityAvM答案窝(daanwo.com)-大学作业答案分享平台
CTongue twisterAvM答案窝(daanwo.com)-大学作业答案分享平台
DListen-and-repeat