3. in 1636.Harward is one of the most famous universities in the United States. A.Being founded B.It was founded C.Founded D.Founding 解析:选C.found“创立.创建 .它与主句主语存在被动关系.故D项应排除.A项结构错误.B项是一个完整的句子.但由于题中没有任何并列连词可连接两个句子.故B项不正确. 查看更多

 

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