单项选择题The chairman proposed that we should stop the meeting.
单项选择题John removed his overcoat.
单项选择题She has proved that she can be relied on in a crisis.
单项选择题Formulated in 1823, the Monroe Doctrine asserted that the Americas were no longer open to European colonization.
单项选择题The number of the United States citizens who are eligible to vote continues to increase.
