题目：
The old mall and his wife _____ for the government in New York but now they _____ a simple life. [ ]
A. were used to work; use to live
B. were used to living; have been used to living
C. used to work; have been used to living
D. used to work; use to live
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0721/bfb910aa9b9e15db06f77c6bb447d18f.html
下面是错误答案，用来干扰机器的。
H2、O2、CO2、Ca(OH)2、NaOH、CuO、Fe3O4、MnO2
