阿摩線上測驗
121 The factory had to halt _____ temporarily because of a mechanical failure in the assembly line.
(A) production
(B) product
(C) productive
(D) produce
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統計： A(546), B(152), C(82), D(140), E(0) #3772629
統計： A(546), B(152), C(82), D(140), E(0) #3772629
