1. The storm started while Linda ___ workplace. A. was driving B. drove C. were drove D. were driving 2. My father ___ nine symphonies; he ___ another symphony when he died A. wrote / writing B. wrote / was writing C. wrote / was writing D. was writing / wrote 3. Alice hurt herself while she ___ A. were skating B. was skates C. was skating D. skated 4. I met my neighbor while I ___ home from work A. was walking B. was walk C. walking D. walked 5. Kien stopped on Maria's feet while they ___ together A. was dancing B. dancing C. were dancing D.danced 6. Sally ___ dinner last night when somebody clocked the door A. were having B. had C. having D. was having 7. Jane ___ when the telephone rang A. sleeping B. was sleeping C. were sleeping D. slept 8. As I ___ to the lab, I met my friend A. were walking B. was walking C. walking D. walked 9. When I ___ Brian, he ___ a taxi A. see / drives B. see / was driving C. saw / was driving D. saw / is driving