阿摩線上測驗
7. Four Romania shipwrecks have been discovered in the ______ of the Black Sea.
(A) deep
(B) depth
(C) deepen
(D) deeper
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統計： A(106), B(105), C(14), D(6), E(0) #2336797
統計： A(106), B(105), C(14), D(6), E(0) #2336797
