There many animals in that zoo.A. used toB. usedC. used to haveD. used to be

发布时间：2020-08-21 02:58:25

There      many animals in that zoo.
A. used to
B. used
C. used to have
D. used to be

网友回答

A. used to
B. used
C. used to have
(答案→)D. used to be
解析：在there be 句型中表示过去常常有，应该为there used to be ，故选D
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