While I _____ my homework in my room, my mother _____ in the kitchen.
A.did; cooked | B.was doing; cooked |
C.did; was cooking | D.was doing; was cooking |
While I _____ my homework in my room, my mother _____ in the kitchen.
A.did; cooked | B.was doing; cooked |
C.did; was cooking | D.was doing; was cooking |