单项选择题______ presides over the meeting in the House of Commons and sees that parliamentary procedure is followed.
单项选择题Darwin's ______ theory contributed to the decay of Victorianism.
单项选择题______ is typical of Joseph Heller's Catch-22.
单项选择题______ is a variety of language (usually a native language of a country) which serves as a medium of communication among groups of people with diverse linguistic background.
单项选择题______ is the largest city in Canad