 | ,句子“oh,it is you ,I did not recognized you ""中由于有了个it is you故不能用I haven€t recognized you来表达现在的影响了。但像这题也应该是这个道理啊？9. (24) The price , but I doubt whether it will remain so.A. went down B. will go downC. has gone down D. was going downC 表示持续。那个but I doubt whether it will remain so.不也表达出对现在的影响了吗，为何还要用现在完成呢？能否再更清楚的解释一下呢，谢谢。
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