Ответы и объяснения

1.I was doing my homework when my Mum came home 
2. we were watching TV while the baby was sleeping 
3.They were playing football yesterday from 5 till 6 p.m 
4.There was raining all day long yesterday
An hour ago I was watching TV. 
When she came, we were playing football. 
I was driving at 16:00 yesterday. 
When Winston came home, Karen was sleeping. 
I was drinking beer, when my wife called. 
While John was laughing, Mary was crying. 
At the time of our arrival the city was going through a period of rapid expansion. 
John was working at nine o’clock yesterday morning. 
It was raining at noon.