Question

      a lot of trees in this area, but now we can see a museum instead.

A．There used to have	B．There used to be
C．There used to having	D．There used to being

Answer 1

B

此题重点考查be used to doing sth和used to do sth 两个句型结构的区别和意义。前者是习惯做某事，后者表示过去常常做某事，现在不做了。