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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.that

C.what

D.whether

试题答案

答案:B

解析:

在“there is(have)no doubt”后常跟that引导的从句,表示“毫无疑问”之意.