单项选择题

Marbles ______ once not confined to children.

A．was
B．is
C．were
D．are
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单项选择题
It is better to die on one's feet than ______.
A．live on one's knees
B．to live on one's knees
C．live at one's knees
D．to live at one's knees
单项选择题
Yesterday, I arrived at the bus stop so late that I ______ missed the last bus.
A．only
B．fairly
C．solely
D．narrowly
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