問題詳情
17.There is a drilling rig established the area of 23.0°N, 120.6°E.
(A)of
(B)in
(C)over
(D)upon
(A)of
(B)in
(C)over
(D)upon
參考答案
答案：B
難度：計算中-1
書單：沒有書單，新增
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