16.The eagle is a ________ of bravery, strength, and freedom in the U.S.A.
(A) partner
(B) symbol
(C) manner
(D) duty
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統計: A(69), B(2807), C(99), D(36), E(0) #923049
統計: A(69), B(2807), C(99), D(36), E(0) #923049