问题
选择题
I live ______ the fifth floor ______ this building. [ ]
A. in, on
B. in, of
C. on, of
D. on, from
答案
答案：C
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I live ______ the fifth floor ______ this building. [ ]
A. in, on
B. in, of
C. on, of
D. on, from
答案：C