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【单选题】
Floods and bad farming over the years ruined a land that________ and made it miserably poor.A.
was once rich
B.
had once been rich
C.
have once been rich
D.
was once being rich
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反馈参考答案：
举一反三
【判断题】The legal systems in England, Wales, Scotland and Northern Ireland are much similar in terms of law, organization and pratice.
A.
正确
B.
错误
【简答题】昆虫纲中最大的一个目是()。
参考解析：
知识点：
题目纠错 0
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