2. 职称英语
  3. He acted as if he (know) ______ everything about the matter.had knownas if意为“仿佛、

He acted as if he (know) ______ everything about the matter.had knownas if意为“仿佛、

游客2024-07-07  39
问题 He acted as if he (know) ______ everything about the matter.
选项
答案 had known
解析 as if意为“仿佛、好像”，后面接虚拟语气。主句的谓语动词是过去时，所以从句的动词应用过去完成时。
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