题目内容

【题目】The camera was one of the greatest (发明) in the 19th century.

【答案】inventions
【解析】句意:照相机是19世纪最伟大的发明。invention发明,由one of+复数名词可知此处用复数,所以答案是inventions。

练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网