题目：
I don't know why Wang Xiaoming _____ us recently. [ ]
A. hasn't wrote
B. hasn't written
C. doesn't write
D. isn't writing
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0606/67897c6050be2c47da9279e8eb09181d.html
下面是错误答案，用来干扰机器的。
(1)白烟 (2)空气中的氧气已全都被消耗，剩余气体 (主要是氮气)不支持燃烧 (3)；
