giải bài vớiii 11. _____ I _____ to the music, someone turned off the radio.,A. While / listened B. When / was listening C. While / was listening D. When / listened,12. She _____ her keys _____ she was leaving the office.,A. lost / while B. was losing / when C. was losing / while D. lost / when,13. _____ they _____ football, it began to snow.,A. When / played B. While / were playing C. When / were playing D. While / played,14. The dog _____ I opened the front door.,A. was barking / when B. barked / while C. was barking / while D. barked / when,15. _____ she _____ breakfast, she read the newspaper.,A. While / had B. When / was having C. While / was having D. When / had,16. The earthquake _____ everyone was sleeping.,A. happened / while B. was happening / when C. was happening / while D. happened / when,17. _____ we _____ dinner, the power went out.,A. When / had B. While / were having C. When / were having D. While / had,18. John _____ his ankle _____ he was playing basketball.,A. twisted / while B. was twisting / when C. was twisting / while D. twisted / when,19. _____ I _____ through my old photos, I found my first school picture.,A. While / looked B. When / was looking C. While / was looking D. When / looked,20. The teacher _____ into the classroom _____ the students were talking.,A. walked / while B. was walking / when C. was walking / while D. walked / when,21. _____ she _____ the dishes, she broke a glass.,A. When / washed B. While / was washing C. When / was washing D. While / washed,22. The rain _____ we were having our picnic.,A. started / while B. was starting / when C. was starting / while D. started / when,23. _____ Tom _____ for the bus, he met an old friend.,A. While / waited B. When / was waiting C. While / was waiting D. When / waited,24. The phone _____ I was taking an important test.,A. rang / while B. was ringing / when C. was ringing / while D. rang / when,25. _____ they _____ TV, someone knocked at the door.,A. When / watched B. While / were watching C. When / were watching D. While / watched,26. _____ the bell _____, all students left the classroom.,A. While / rang B. When / was ringing C. While / was ringing D. When / rang,27. The accident _____ I crossed the street.,A. was happening / while B. happened / while C. was happening / when D. happened / when,28. _____ she _____ the letter, she started crying.,A. While / read B. When / was reading C. While / was reading D. When / read

Question

Accepted Answer

11. While I was listening to the music, someone turned off the radio.

→ “While” + past continuous
✅ C. While / was listening

12. She lost her keys while she was leaving the office.

→ lost (ngắn) + while (hành động dài)
✅ A. lost / while

13. While they were playing football, it began to snow.

→ while + past continuous
✅ B. While / were playing

14. The dog barked when I opened the front door.

→ hành động ngắn xảy ra khi hành động khác diễn ra
→ barked / when
✅ D. barked / when

15. While she was having breakfast, she read the newspaper.

→ while + past continuous
👉 Hành động ăn sáng kéo dài, đọc báo là hành động song song.
✅ C. While / was having

16. The earthquake happened while everyone was sleeping.

→ happened (ngắn) / while + past continuous
✅ A. happened / while

17. While we were having dinner, the power went out.

→ đang ăn thì mất điện
→ while / were having
✅ B. While / were having

18. John twisted his ankle while he was playing basketball.

→ twisted (ngắn) / while + past continuous
✅ A. twisted / while

19. While I was looking through my old photos, I found my first school picture.

→ found (ngắn) / while + past continuous
✅ C. While / was looking