-------I called you at half past nine this morning, but there was no answer.
------Oh, sorry. I _____ with my cousin in the supermarket.

--I called you at half past nine this morning, but there was no answer.

--Oh, sorry. I ________ with my cousin in the supermarket.

1. A.
   shop
2. B.
   was shopping
3. C.
   shopped
4. D.
   will shop

– I called you at half past nine this morning, but there was no answer.

-- Oh, sorry, I ______ with my cousin in the supermarket.

A. shop          B. was shopping          C. shopped        D. will shop