Question

【题目】There________ a lot of rubbish there in the past. But now it has turned into a clean place.
A.used to be
B.used to have
C.was used to being
D.was used to having

Answer 1

【答案】A
【解析】句意：那儿过去有许多垃圾。但是现在它变成了一个干净的地方了。前句是there be结构，其动词要用be；过去常常：used to+动词原形。故选A。