Объяснение:
I was watching TV while my best friend called
My dad was driving home while a car suddenly stopped
I was walking home while rain started
I saw you, you was waiting at the bus stop
My mum was reading a book while my brother came home
1to give-дополнение
2to smoke-обстоятельство цели
3to explain-дополнение
60, 12 на 5 = 60 и 15 на 4 = 60