22. The illegal trade of ivory continues to contribute to the decline of _____
elephants in Africa.
(A)extinct
(B)restricted
(C)domesticated
(D)endangered
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統計: A(26), B(2), C(8), D(38), E(0) #3287721
統計: A(26), B(2), C(8), D(38), E(0) #3287721