单项选择题______ is recognized as the longest river in Britain.
单项选择题It is who declared the Hundred Years' War between England and France.
单项选择题The background of ______, a novel by Dickens, is set in the French Revolution.
单项选择题Which of the following does NOT belong to the Indo-European family
单项选择题The language phenomenon that words having different meanings have the same form is called