Dr Bethune worked hard as if he ______.Dr Bethune worked hard as if he ______.a.never had felt tired b.had never felt tired c.never felt tired d .was tired never

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Dr Bethune worked hard as if he ______.Dr Bethune worked hard as if he ______.a.never had felt tired b.had never felt tired c.never felt tired d .was tired never

Dr Bethune worked hard as if he ______.Dr Bethune worked hard as if he ______.a.never had felt tired b.had never felt tired c.never felt tired d .was tired never
Dr Bethune worked hard as if he ______.
Dr Bethune worked hard as if he ______.
a.never had felt tired b.had never felt tired c.never felt tired d .was tired never

Dr Bethune worked hard as if he ______.Dr Bethune worked hard as if he ______.a.never had felt tired b.had never felt tired c.never felt tired d .was tired never
as if 仿佛好像的意思 引导虚拟条件句
因为主句谓语动词worked使用的是一般过去时,所以从句也是对过去事实的虚拟,对过去事实虚拟使用过去完成时.如果是对现在或将来的事实虚拟使用一般过去时.所以先淘汰CD.
never是否定副词,否定副词一般放在实义动词之前、系动词 be 或助动词之后.这里的had 是助动词,帮助谓语构成过去完成时态的.所以never应该放在had后面
翻译:Bethune医生努力工作好像从来感觉不到累