The best known Australian animal is ______.

单项选择题The Federal Government s the central government Of the United States. It is divided into three branches: the Executive, the Legislative, and the _____.

单项选择题Idioms adjectival in nature function as ______.

单项选择题The head of the British Government is the ______.

单项选择题Grammatical context refers to_____in which a word is used.

单项选择题Which of the following is true about the critics