Classification of vowels is made up of the following EXCEPT(  )。

2023-06-06

A.the openness of the mouth
B.the position of the tongue
C.the shape of the tip
D.the width of the vowels

参考答案:D

英语元音有四种分类:the position ot’the tongue in the mouth;the openness of the mouth;the shape of the lip;the length of the vowels。

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