单项选择题All of the following pairs of sounds except ______ are distinguished from each other by the feature +voiced .
单项选择题John Milton was a great ______ in English literary history.
单项选择题The study of the way speech sounds are made by the vocal organs belongs to ______.
单项选择题Pygmalion is a play by ______.
单项选择题Queensland lies in ______.