1.

He  was talking  on his cellular phone when he had the car accident.

(talk)

2.

While she was taking a shower, the murderer slowly    approached  .

(approach)

3.

The fire started when I                 .

(cook)

4.

When I              about the accident, I came to the hospital immediately.

(hear)

5.

The power went off while we                   the hockey game.

(watch)

6.

We were sailing in the South Pacific when a huge wave               our yacht in half.

(smash)

7.

The student fell asleep while the teacher            the English grammar lesson.

(give)

8.

I opened the package as soon as it              .

(arrive)

9.

It started raining when I                 home.

(walk)

10.

I                  at UPS when they had the strike.

(work)

11.

Indians                  in Montreal when Jacques Cartier first                here.

(live)

(arrive)

12.

The guitarist                   a fantastic solo when his amplifier                 .

(play)

(explode)

13.

We               a flat tire while we

               to Plattsburgh.

(have)

(drive)

14.

After the princess              the frog,

 it              a prince.

(kiss)

(become)

15.

When we                  in the garden, we

                   a treasure map.

(dig)

(find)