When I met Mary and Tom, they (go) to school27. When I met Mary and Tom, they (go) to school. 28. We (paint) a picture while Alice (make) a birthday cake. 29. (they/cook) when I called you yesterday? 30. When I (go) to the concert, my sister (perform). 31. While we (go) swimming, Zoe (read) a comic. 32. While I (sleep), Daisy (try) to contact me. 33. When Mary (come) back home, everyone (sleep). 34. While I (do) my homework, he (play) video games. 35. While Sarah (cut) the grass in the garden, the snake (appear). 36. When my friends (come), my parents (have) di 37. The earthquake (happen) while we (sleep). 38. He (write) the textbook, when he (have) a headache. 9. She (type) the book while I (learn) Chinese. 40. While he (drive), the police (order) him to stop his car. -1. It (rain) heavily while they (play) football. 42. They (look) at the pictures when I (break) the glass. 3. When I (arrive) at his house, he (still / sleep). 44. The light (go) out while we (have) dinner. 5. Bill (have) breakfast when I (stop) at this house this morning. 46. When I (come) to his house, he (work). 7. As we (cross) the street, we (see) an accident. 48. Tom (see) a serious accident while he (stand) at the bus stop D. The children (play) football when their mother (come) back home. 50. The bell (ring) while Tom (take) a bath |