单项选择题


A．when
B．after
C．where
D．while
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单项选择题
According to the passage, the Pony Express riders ore ______.
A．orphans
B．well over 18
C．skillful cart-drivers
D．courageous and brave young men
单项选择题
A．consideredB．being consideredC．were consideredD．considering
A．considered
B．being considered
C．were considered
D．considering
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