In the past, Changsha __________ a less developed city, but now it is one of the top ten happiest ci...
2022-09-06 00:23:30 29次 河北省2019-2020学年九年级上学期期末英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
In the past, Changsha __________ a less developed city, but now it is one of the top ten happiest cities in China.
A.used to being B.used to be C.is used to be
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