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Birds' singing is sometimes a warning to other birds away.A. to stay B. staying C. stayed D. st

编辑:chaxungu时间:2026-04-27 02:43:24分类:高中英语题库

【题目】Birds' singing is sometimes a warning to other birds __________ away.

A. to stay B. staying

C. stayed D. stay

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【答案】A

【解析】句意:有时候鸟叫声是一种让其他鸟离开的警告。分析句子可知非谓语动词短语作定语修饰名词warning,名词warning后跟动词不定式作定语,故A项正确。