There ______ a lot of green grass and beautiful flowers. But now everything has

题型：不详难度：来源：

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

C

解析

试题分析：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。