giúp mik vs ạ 
----- Nội dung dịch tự động từ ảnh -----
11.Peter (play) a video game when his brother, Jack, (enter) the room.
12. It (not snow) when I left home this afternoon.
13. While she (work) the field, the tornado came.
14. What you (do) at 9 o'clock yesterday morning?
- I (watch) the news about a volcanic eruption.
15. you (cry) when I saw you two days ago?
16. While Aaron (work) in his room, his friends (swim) in the pool.
17. Yesterday at six I (prepare) dinner.
18.. What (you/do) at 8.00 am yesterday?
19. The kids (play) in the garden when it suddenly began to rain.
10. While he (write) a letter, the telephone (ring); as he (go) to answer it, he (hear) a knock on the door;
the telephone (still, ring) while he (walk) to the door, but just as he (open) it, it (stop).
C