12. The employees were given a day off __________ their hard work over the past month.
(A) despite
(B) in case of
(C) because of
(D) unless
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統計: A(21), B(19), C(229), D(11), E(0) #3509962
統計: A(21), B(19), C(229), D(11), E(0) #3509962