问题补充：
Mrs. Smith has been teaching in a school since she graduated, so she is not to associating with business people.
A. addicted
B. devoted
C. admitted
D. accustomed
答案：
A. addicted
B. devoted
C. admitted
(答案→)D. accustomed
解析：固定搭配be addicted to…染上…瘾；沉溺于…；be devoted to…致力于….；be admitted to…被…录取；be accustomed to….习惯于….；句义：自从毕业以来，斯密斯夫人就一直在一所学校里教书，所以她不习惯于和商务人士进行交流。根据句义说明D项的accustomed与上下文含义相符。故D正确。
