大学英语大学英语大学英语六级(CET6)1991年1月大学英语六级(CET-6)真题试卷
题目内容

Although the national government has introduced some new laws on this subject, it is the ________ state governments which are responsible for pollution control.

2024-07-09

A.precisely

B.primarily

C.progressively

D.preliminarily

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