单项选择题

A．The ride across the West was too hard and dangerous.
B．The telegraph system to California was completed.
C．It was very difficult to find brave riders.
D．People preferred to send their mall by stagecoach.
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单项选择题
A．She has already stopped smoking.B．She does not want to get married.C．She has asked the man to give up smoking many times.D．She is not in love with the man any more.
A．She has already stopped smoking.
B．She does not want to get married.
C．She has asked the man to give up smoking many times.
D．She is not in love with the man any more.
填空题
O
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