问题
选择题
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In those days, the old woman __________ sit at the door for hours, waiting for her son to return from abroad.
A．should
B．used to
C．might
D．would
答案
答案：D
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.
In those days, the old woman __________ sit at the door for hours, waiting for her son to return from abroad.
A．should
B．used to
C．might
D．would
答案：D