题目内容
5.All possible means______.However,nothing can prevent him dying of lung cancer.( )A. | has tried | B. | have tried | C. | has been tried | D. | have been tried |
分析 所有可能的方式都被试过了.然而,什么也无法阻止他死于肺癌.
解答 答案:D,考查现在完成时的被动语态,表示动作从过去开始,并持续到现在,句子指从过去到现在尝试了所有可能的方式,means由all修饰,是复数名词,助动词用have,means与try构成的被动的关系,故答案为D.
点评 考查现在完成时的被动语态,应注意分析句子成分和语境,对答案进行确定.
练习册系列答案
相关题目
13.I have a very busy life with no time ___________feeling sorry for myself.( )
A. | to sit around | B. | sitting around | ||
C. | to sitting around | D. | sitted around |