ClassificationsofvowelsaremadeupofthefollowingsEXCEPT__________.
A.the. position of the tongue B.the openness of the mouth C.the shape of the lip D.the width of the vowels正确答案D
ClassificationsofvowelsaremadeupofthefollowingsEXCEPT__________.
A.the. position of the tongue B.the openness of the mouth C.the shape of the lip D.the width of the vowels正确答案D