题目内容
20.Several measures had been tried out to improve the traffic situation,yet ______of themseemed to work well.( )
A. | none | B. | both | C. | all | D. | either |
分析 已经尝试了几种方法去改善交通状况,但都没什么效果.
解答 答案:A 句中的yet表示转折,后面应该是否定;several表示几种,不能用both和neither;none是否定,all是肯定.故选A.
点评 不定代词的用法较多,是一个比较难的语言点.常用的有:some(something,somebody,someone),any(anything,anybody,anyone),no(nothing,nobody,no one),every(everything,everybody,everyone,),all,each,both,much,many,(a)little,(a)few,other(s),another,none,one,either,neither等.学习时,要注意区分和掌握.
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