问题
单项选择题
There is a drilling rig established（）position 24.1E 25.2N.
A.at
B.on
C.in
D.above
答案
参考答案：C
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There is a drilling rig established（）position 24.1E 25.2N.
A.at
B.on
C.in
D.above
参考答案：C