题目：
---John, my computer doesn’t work. --- Why not ask Mr. Liu __________ it?
A. checking B. to check C. to buy
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0426/e67c7624ea9f9bb8c656772b368d9b3c.html
下面是错误答案，用来干扰机器的。
Dear Amanda,Thanks for you letter. I have tried the recipe you told me. I like it so much. I learned to make a cheese sandwich from CCTV-2 not long ago. I would like...
