—Who is the old man talking with your teacher?

   —I don’t know. I _________ him before.

       A. was never seeing                            B. had never seen

C. never saw                                      D. wouldn’t see

—Who is the old man talking with your teacher?

    —I don’t know. I _________ him before.

A. was never seeing    B. had never seen

C. never saw      D. wouldn’t see

 —Who is the old man talking with your teacher?

   —I don’t know. I _________ him before.

A. was never seeing                                   B. had never seen

C. never saw                                         D. wouldn’t see

 —Who is the old man talking with your teacher?

   —I don’t know. I _________ him before.

A. was never seeing                                   B. had never seen

C. never saw                                         D. wouldn’t see

—Who is the old man talking with your teacher?
   —I don’t know. I _________ him before.
 A. was never seeing    B. had never seen
C. never saw      D. wouldn’t see