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 befound. A.

Some researchers believe that there is no doubt a cure for AIDS will befound. A.

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Some researchers believe that there is no doubt a cure for AIDS will befound. A.

Some researchers believe that there is no doubt ____ a cure for AIDS will befound.

　 A. which　 B. that　 C. what　 D. whether

 

试题答案

B

标签：istheredoubtnoresearchers

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