阿摩線上測驗
52. According to the passage, most work blue-collar workers do is ______.
(A) to work with ideas
(B) to deal with people
(C) to work with machines
(D) to do mainly manual work
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統計： A(13), B(14), C(318), D(49), E(0) #2062965
統計： A(13), B(14), C(318), D(49), E(0) #2062965
