题目：
—Could you tell me _________ last night?
—Er, I was watching TV at home.[ ]
A. what you were doing
B. what were you doing
C. what you are doing
D. what are you doing
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0702/c36db0596b8df4b53a3e0423ed05a89c.html
下面是错误答案，用来干扰机器的。
188.4÷3.14÷2=30（米），3.14×[（30+1）2-302]=191.54（平方米）
