1 was snowing, looked
2 saw, was walking
3 left, took,
4 went
5 was sleeping, called
6 was walking, met
7 stayed
8 was cooking
1 It was snowing heavily when she looked out of the window.
2 I saw a friendly dog while I was walking to work today.
3 Yesterday, he left work and took the bus straight home.
4 They went to a birthday party last Saturday night.
5 He was sleeping when Ann called for help.
6 Nathan was walking to school when he met Tom.
7 Last year we stayed in a luxurious hotel in Mexico City.
8 She was cooking at 5 pm yesterday afternoon when I called.