单项选择题Paradise Lost is a long ______ divided into 12 books.
单项选择题Close by Westminster Abbey on the riverside stands the Palace of Westminster, generally known as the______.
单项选择题The longest river in Britain is______.
单项选择题The national epic of the Anglo-Saxons is______
单项选择题Which of the following countries is NOT yet a permanent member in the Security Council of the UN