30 Decades of _______ have resulted in a severe reduction in the number of the local plants, which are now no
longer a common sight.
(A) civilization
(B) corruption
(C) collaboration
(D)exploitation
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統計: A(7), B(11), C(12), D(23), E(0) #1227867
統計: A(7), B(11), C(12), D(23), E(0) #1227867