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

1. A.
   which
2. B.
   that
3. C.
   what
4. D.
   whether

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

A.which

B.that?

C.what

D.whether?

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

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

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

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

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

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