阿摩線上測驗
Although the national government has introduced some new laws on this subject, it is thestate governments which are___________ responsible for pollution control.
(A) precisely
(B) primarily
(C) progressively
(D) preliminarily
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統計： A(69), B(360), C(101), D(82), E(0) #330534
統計： A(69), B(360), C(101), D(82), E(0) #330534
