a lot of trees in this area, but now we can see a tall building instead.A. There used to

a lot of trees in this area, but now we can see a tall building instead.
A. There used to have
B. There used to be
C. There is used to having
D. There is used to being

A. There used to have(答案→)B. There used to beC. There is used to havingD. There is used to being解析：考查there be结构。句意“这个地区过去有很多树木，但现在，取而代之的却是一栋大楼。”“过去有......”用there used to be表示。There be结构不能和have混用，排除A、C；be used to doing sth.“习惯于......”，排除D。故选B。

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