Ex. 1

1. Pam and Bob were skiing all day last Sunday.

2. Margaret was shopping with her cousin from morning till evening yesterday.

3. The secretary was preparing the report for her boss at 10 o'clock yesterday morning.

4. Was your neighbour playing the violin at 10 o'clock yesterday evening?

- No, he was listening to some rock group at that time.

5. Were you taking a shower at 8 o'clock in the morning?

6. Pam was not watching a show on TV at that time. She was washing the vegetables for the salad.

7. Betty and Sally were gathering apples all the morning yesterday?

- Yes. I was washing them and our granny was making apple jam.

8. My friends were not training in the gym at 7 o'clock yesterday.

Ex. 2

1. when

2. while

3. while

4. when

5. while

6. when

7. while

8. when

Ex. 3

Title: An Unexpected Rescue

1. were flying

2. was entering

3. was burning

4. was sleeping

5. were looking

6. were practicing

7. were enjoying

8. was getting

9. was skiing

10. was getting

11. was snowing

12. were searching

13. was breathing

She was really glad to be saved. Buck was a true hero. The hotel dog could find Tina faster than others.