河南成教 / 英语语言学
正确率:100%
5[单选题]
The diphthongs that are made with a movement of the tongue towards the center are known as __________ diphthongs.
A.widee
B.closing
C.narroww
D.centering
The diphthongs that are made with a movement of the tongue towards the center are known as __________ diphthongs.
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