问题
选择题
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