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题目内容
（河南郑州轻工业大学英语1(高起专)）
I.ll never forget the town in which there ________ a clean river and many big tall trees.
A
used to be
B
used to have
C
was used to being
D
was used to having
A
used to be
B
used to have
C
was used to being
D
was used to having
参考答案
