Phonetics is the study of the phonic medium of language. It has three branches: ________, _______ and auditory phonetics.
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The articulatory apparatus of a human being contains three important areas: ______, ______ and nasal cavity.
Of all the speech organs, the _____ is the most flexible.
In terms of the place of articulation, the following sounds /t/, /d/, /s/,/z/,/n/ share the feature______.
All the back vowels in English are pronounced with rounded lips except______.