Exercise 4
2.A. ( while)
3.B (rang)
4.A(left)
5.A.(cut)
Exercise 6
Harvey was watching TV while his mom cooked dinner.
Sally broke a glass while her sister broke a plate.
As Derek was doing his homework, Dora played with her toys.
Debbie was cutting vegetables when someone knocked at the door.
I was lighting a candle when I burned my finger.
While Helen and Peter were eating, their mom washed the dishes.
My friend were playing tennis while I played basketball with David.
