During the Second World War, Roosevelt, Stalin and Churchill met at ______.

单项选择题British ______ is one of the four major news agencies in the west.

单项选择题The Independence Day is ______.

单项选择题This orphan has a father. is an example of

单项选择题What is the full name of B.B.C

单项选择题The maxim of manner is a subcategory of______.