The workers are so to the noise of the machine that they don’t even notice it during thei

问题补充：

The workers are so to the noise of the machine that they don’t even notice it during their work.

A. accustomed

B. subjective

C. familiar

D. associated

答案：

(答案→)A. accustomed

B. subjective

C. familiar

D. associated

解析：可联系答.案.网客服索取。