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He is American by , but of German ancestry.

编辑:chaxungu时间:2026-04-27 03:15:46分类:高中英语题库

【题目】He is American by (国籍), but of German ancestry.

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【答案】ationality
【解析】句意L他是美国国籍,但是是德国血统。介词后接名词作宾语,故填nationality。