I helped my mother...
Bobby: Mother made soup for me and I helped her.
His friend: How did you help her?
Bobby: I sat still1.
Knitting2 and driving
A policeman spots a woman driving and knitting at the same time. Driving up beside her, he shouts out the window, "Pull over!3"
"No," she shouts back, "a pair of socks!"
1 still - спокойно
2 to knit - вязать
3 Pull over! - Остановить автомобиль! (приказ полиции) (созвучно с pullover - свитер)
"I've found cigarettes in your room! "