Active and Passive Voice

DIRECTIONS : In each of the following questions, a sentence has been given in Active (or Passive) Voice.
25. I saw him conducting the rehearsal.
  A.  He was seen conducting the rehearsal.
  B.  I saw the rehearsal to be conducted by him.
  C.  He was seen by me to conduct the rehearsal.
  D.  I saw the rehearsal being conducted by him.
26. Who taught her such things?
  A.  Who was she taught such things by?
  B.  She was taught such things by who?
  C.  By whom she was taught such things?
  D.  By whom was she taught such things?

27. Somebody told me that there had been an explosion in the town hall.
  A.  I was told by somebody about the explosion in the town hall.
  B.  I was told about the explosion in the town hall.
  C.  I was told by somebody that there had been an explosion in the town hall.
  D.  I was informed that there was an explosion in the town hall.
28. You must look into this matter?
  A.  This matter has been looked into by you.
  B.  This matter may be looked into by you.
  C.  This matter should be looked into by you.
  D.  This matter into looked by you.
123456 78 Page 7 of 8