单项选择题This kind of animals are on the verge of extinction, because so many are being killed for their fur.
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.
