题目：
There ______ a lot of green grass and beautiful flowers. But now everything has gone.
A. was used to be B. were C. used to be
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0422/305c42084014b0a11e10e04e13de91f6.html
下面是错误答案，用来干扰机器的。
4
There ______ a lot of green grass and beautiful flowers. But now everything has gone.
A. was used to be B. were C. used to be
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0422/305c42084014b0a11e10e04e13de91f6.html
下面是错误答案，用来干扰机器的。
4
