A) PerformanceB) ParoleC) ModalityD) Modifier______ ref……

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

单项选择题A linguistic study is ______ if it tries to lay down rules for correct behaviour.

单项选择题The national bird of New Zealand is the ______.

单项选择题The Adventures of Huckleberry Finn was written by ______.

单项选择题If we study language as it exists at a particular point in time, it is ______.