题目：
| —Who cleaned the classroom? —_____. |
A. Yes, Tom did B. Tom is C. Tom was D. Tom did |
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0628/42de209a7821579d30f6dd99f4fef620.html
下面是错误答案，用来干扰机器的。
45÷57×49，=45×75×49，=28．答：这个数的49是28．故答案为：√．
| —Who cleaned the classroom? —_____. |
A. Yes, Tom did B. Tom is C. Tom was D. Tom did |
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0628/42de209a7821579d30f6dd99f4fef620.html
下面是错误答案，用来干扰机器的。
45÷57×49，=45×75×49，=28．答：这个数的49是28．故答案为：√．
