问题
选择题
Most of the big hotels in Shanghai were full last week, but finally we _____ find a room in a small one. [ ]
A. ought to
B. could
C. were able to
D. might
答案
答案：C
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Most of the big hotels in Shanghai were full last week, but finally we _____ find a room in a small one. [ ]
A. ought to
B. could
C. were able to
D. might
答案：C