There used to a clean river in the village, but now it’s dirty.A. beB. beingC. haveD. ha

发布时间：2020-08-22 01:51:38

There used to      a clean river in the village, but now it’s dirty.
A. be
B. being
C. have
D. having

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(答案→)A. be
B. being
C. have
D. having
解析：此题考查there be结构的一般过去时的基本结构。There were/was或there used to be
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