12. It is a long _______________ for many birds that live near the Bering Sea to fly from their
feeding grounds to the Kenting National Park.
(A) journey
(B) hike
(C) system
(D) drive
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統計: A(39), B(6), C(2), D(2), E(0) #573757
統計: A(39), B(6), C(2), D(2), E(0) #573757