问题
选择题
London is the south of England and it's the River Thames. [ ]
A. in;on
B. in;at
C. on ; in
D. at ; in
答案
答案：A
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London is the south of England and it's the River Thames. [ ]
A. in;on
B. in;at
C. on ; in
D. at ; in
答案：A