19. _____ from the long journey through the mountains, the hikers decided to rest beside the river.
(A)Exhaust
(B)Exhausted
(C)Exhausting
(D)To exhaust
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統計: A(7), B(36), C(17), D(6), E(0) #3867821
統計: A(7), B(36), C(17), D(6), E(0) #3867821