1. When I phoned my friends, they _________to music and _________. A. was listening/ dance C. were listening/ dancing B. were listening/ dance D. were listen/ dance 2. Yesterday at six I ___________dinner for my family and friends. A. was preparing C. were preparing B. were prepare D. was prepare 3. The kids _______in the garden when it suddenly to rain heavily. A. were play C. are playing B. was playing D. were playing 4. I ________a song when my mother came home. A. am singing C. were singing B. was singing D. is singing 5. What ________ at 9 P.M yesterday? A. you were doing C. were you doing B. was you doing D. you were doing 6. At this time yesterday, we _________in the park. A. were sitting B. sits C. were sit D. was sitting 7. The storm started while Linda workplace. A. was driving B. drove C. were drove D. were driving 8. My father nine symphonies; he another symphony when he died. A. wrote/ writing C. wrote/ was writting B. wrote/ was writing D. was writing/ wrote 9. Alice hurt herself while she . A. were skating B. was skates C. was skating D. skated 10. I met my neighbor while I home from work. A. was walking B. was walk C. walking D. walked 11. Kien stepped on Maria's feet while they together. A. was dancing B. dancing C. were dancing D. danced 12. Sally dinner last night when somebody clocked the door. A. were having B. had C. having D. was having 13. Jane when the telephone rang. A. sleeping B. was sleeping C. were sleeping D. slept 14. As I to the lab, I met my friend. A. were walking B. was walking C. walking D. walked 15. When I ____ Brian, he ____ a taxi. A. see/drives B. see/was driving C. saw/was driving D. saw/is driving Giúp với ạ