12 In earlier times, of new immigrants ventured to undertake tasks for which they were not fitted either by knowledge or previous experience.
(A) swords
(B) swallows
(C) swamps
(D) swarms
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統計: A(1), B(0), C(0), D(1), E(0) #2456309
統計: A(1), B(0), C(0), D(1), E(0) #2456309