题目内容
20.-Congratulations on your winning first place in the competition!-Thanks a lot!Without your encouragement and instruction,I_________ so well.( )
A. | didn't do | B. | couldn't have done | ||
C. | hadn't done | D. | couldn't do |
分析 --祝贺你在竞赛中获得第一.
--多谢!没有你的鼓励和指导,我就不会做的那么好.
解答 答案:B.
分析句子结构可知,这是without引导的一个含蓄虚拟条件句,是对过去事实的假设;所以主句中的时态使用could have done;故选B.
点评 本题考查虚拟语气,要掌握与过去,现在,将来虚拟时的句型结构并结构具体的语境选择出正确的答案.
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