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

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

Some researchers believe that there is no doubt ____ acure for AIDS will be found.

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

 

试题答案

【答案】

B

【解析】

试题

标签：istheredoubtnoresearchers

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