ОТВЕТ:
- My father was driving (drive) his car when a policeman stopped (stop) him.
- Two boys were playing (play) soccer when the teacher came (come) into the classroom.
- I was running (run) to the park when I heard a terrible noise (hear).
- While Tony was cleaning (clean) the bathroom, his son shouted in the kitchen.
- My son broke (break) his pencil while he was doing (do) his homework.
- I was waiting (wait) for my friend when the bus arrived (arrive).
CHOOSE THE CORRECT ALTERNATIVE (WHEN - WHILE).
- I has a bad dream WHILE I was sleeping on the sofa.
- Karina was doing her homework when the lights went out.
- I was talking to my husband in the park when two cars crashed behind us.
- You called me last night while I was studying for an important exam.
- My mother found some old photographs while she was cleaning her room.
Ответ: смотри решение выше.