问题
选择题
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
答案：C
题目分析：句意：有许多绿色的和草漂亮的花，但是现在一切都没有了。there used to be 是there be句型的特殊形式表示“某地过去曾有……”故选C。