问题
选择题
My uncle lives ____ 105 Huanghe Street. His room is ____ the fifth floor.
A．at;on
B．at;at
C．on;in
D．of;to
答案
答案：A
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My uncle lives ____ 105 Huanghe Street. His room is ____ the fifth floor.
A．at;on
B．at;at
C．on;in
D．of;to
答案：A