3. Surprisingly, _____ of the factories do not implement proper safety training for their newly hired workers.
(A) any
(B) each
(C) much
(D) some
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統計: A(20), B(38), C(26), D(282), E(0) #1345896
統計: A(20), B(38), C(26), D(282), E(0) #1345896