问题 选择题

Birds'singing is sometimes a warning to other birds________away.

A.staying

B.stayed

C.stay

D.to stay

答案

答案:D

题目分析:句意:鸟的叫声有时是警告其他的鸟要离开。因为该句已经有系动词,故不缺少谓语动词,排除C;warning是抽象名词,它的后面常用不定式作定语,故选D。

点评:本题难度适中。非谓语动词是高中阶段的重难点之一,内容多又杂,不容易理解,需要考生有分析理解复杂的句子结构的能力。题目的设置注重了情景化和结构复杂化,加大了考生对题干句的理解难度。设问的角度呈现出多样化趋势,不仅仅是非谓语间的互相干扰。

即学即练:The old man sat in front of the television every evening, happy _______anything that happened to be on.

A. to watch               B. watching    C. watched        D. to have watched

解析:A。动词不定式短语作原因状语。句意:那位老大爷每天晚上坐在电视机前,非常开心地观看即将上映的任何节目。“happy ____anything that happened to be on.”作目的状语。

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