问题
选择题
His parents ______ in the country, but now they live in the city. [ ]
A. used to live
B. used to living
C. were used to live
D. are used to living
答案
答案：A
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His parents ______ in the country, but now they live in the city. [ ]
A. used to live
B. used to living
C. were used to live
D. are used to living
答案：A