阿摩線上測驗
30. _____ highly skilled in negotiation, the lawyer won the case successfully.
(A) He was
(B) Being
(C) To be
(D) Been
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統計： A(16), B(125), C(22), D(19), E(0) #3430666
統計： A(16), B(125), C(22), D(19), E(0) #3430666
