— I phoned you at 7 yesterday evening but nobody answered.

— Oh, I _______my dog in the park then.

A．walked           B．was walking        C．had walked        D．would walk

—I phoned you at 7 yesterday evening but nobody answered.

    — Oh, I ______ my dog in the park then.

A. walked  B. was walking   C. had walked   D. would walk

—I phoned you at 7 yesterday evening but nobody answered.

—Oh, I ______ my dog in the park then.

1. A.
   walked
2. B.
   was walking
3. C.
   had walked
4. D.
   would walk

 — I phoned you at 7 yesterday evening but nobody answered.

   — Oh, I ________ my dog in the park then.

walked             B. was walking       C. had walked      D. would walk

— I phoned you at 7 yesterday evening but nobody answered.

   — Oh, I ________ my dog in the park then.

A. walked          B. was walking                   C. had walked                    D. would walk