There a lot of green grass and beautiful flowers. But now everything has gone.A. was used

问题补充：

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：

解析：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。