The Prime Minister in Britain is head of______.

单项选择题The President during the American Civil War was______.

单项选择题The distinction between parole and langue was made by______.

单项选择题What essentially distinguishes semantics and pragmatics is the notion of______.

单项选择题The capital of New Zealand is______.

单项选择题Who were the natives of Australia before the arrival of the British settlers