What was considered impolite years ago has bee now.
A. accessible
B. adjustable
C. unbelievable
D. acceptable
网友回答
A. accessible
B. adjustable
C. unbelievable
(答案→)D. acceptable
解析:考查形容词:A. accessible易接近的,平易近人的,B. adjustable可调整的,C. unbelievable难以置信的,D. acceptable 可接受的,就:很多年前被认为是不礼貌的,现在被认为是可以接受的。选D。