The head of the ruling party and that of the Opposition party in Britain are called________. respectively.

单项选择题________, who were French-speaking, achieved the final unification of England.

单项选择题The Immediate Constituent Analysis is an approach typical of________.

单项选择题The Scarlet Letter was written by________.

单项选择题Robin Hood is a well-known figure in some British________in the 1400s.

单项选择题It can be derived from the passage that________.