Who are the speakers

单项选择题The classic language theoretical book Language was published by an American linguist ______.

单项选择题Who wrote and published Essays, or Counsels and Morall

单项选择题Australia lies in the ______ of Asia. It belongs to Oceania.

单项选择题______ refers to actual speech, the speech acts that are made possible by the system of the language.

单项选择题When did the first edition of the three-volume Encyclopaedia Britannica come out