It is obvious that people hold different opinions about ____ voluntary services should be financially rewarded.

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

It is obvious to the students ______ they should get well prepared for their future.

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

It is obvious to the students ______ they should get well prepared for their future.

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

It is obvious to the students ______ they should get well prepared for their future.

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

It is obvious to the students ______ they should get well prepared for their future.

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