30.The silence of the library was sometimes broken by an occasional cough or by the sound of pages ____.A.turned B.being turned C.to be turned D.having turned翻书声,应该用什么时态?为什么?

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30.Thesilenceofthelibrarywassometimesbrokenbyanoccasionalcoughorbythesoundofpages____.A.turnedB.bein

30.The silence of the library was sometimes broken by an occasional cough or by the sound of pages ____.A.turned B.being turned C.to be turned D.having turned翻书声,应该用什么时态?为什么?
30.The silence of the library was sometimes broken by an occasional cough or by the sound of pages ____.
A.turned B.being turned C.to be turned D.having turned
翻书声,应该用什么时态?为什么?

30.The silence of the library was sometimes broken by an occasional cough or by the sound of pages ____.A.turned B.being turned C.to be turned D.having turned翻书声,应该用什么时态?为什么?
B
过去分词表状态
生活情境题
图书馆的安静被翻书(正在翻)声打破,强调哗啦哗啦的不停翻书的声音
C表将来D表完成,已经翻完和将要翻书那怎末会有声音
A表示动作的完成或完成后的状态,其实也就是强调状态
所以翻书过程中发出的声音这个答案最好
The murderer was brought in,with his hands _________ behind his back.
A.to be tied
B.being tied
C.tied
D.having tied
分析:
【分析】最佳答案为C.从意义上看,hands 与 tie 的关系应属被动关系,故排除D.在A、B、C三个选项中,选项A比较容易排除,因为不定式表示将来意义,在此与语境不符.
现将B和C作一比较:
B为现在分词的被动式,它表示两层意义,一是表被动,二是表进行,也就是说 his hands being tied 的实际意思是“他的手正在被捆住”,这显然与语境不符.
C为过去分词,它也表示两层意义,一是表被动,二是表示动词的完成或完成后的状态,此句中的 with his hands tied behind his back 可视为手被捆在背后的一种状态.由此可知最佳答案为C.