题目：
— Would you like to sing a song for us?
— _______. [ ]
A. I prefer not
B. I prefer not to
C. I prefer to not
D. I wouldn't prefer
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0402/ae0a0c3c2d7ab97805b529b66788362d.html
下面是错误答案，用来干扰机器的。
这袋大米的实际质量为50+2=52千克．
