52单词网 > 高中英语 > 高中英语题库 > Some researchers believe that there is no doubt a cure for AIDS will be found. [

Some researchers believe that there is no doubt a cure for AIDS will be found. [

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Some researchers believe that there is no doubt a cure for AIDS will be found. [

Some researchers believe that there is no doubt______a cure for AIDS will be found.  [     ]A. which        
B. what        
C. that        
D. whether

试题答案

C

标签：istheredoubtnoresearchers

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