The head of the British Government is the ______.

单项选择题In Britain the real power was in ______.

单项选择题Lead (metal) and lead (dog's head) are spelt in the same way, but pronounced differently. This kind of sense relation is called ______

单项选择题The most striking phonetic difference between American and British English is the pronunciation of ______ in words.

单项选择题Grammatical context refers to ______ in which a word is used.

单项选择题The best known Australian animal is ______.