1. The children    (play)     outside when they    (see)    a snake.

2. I    (walk)     along the street when I    (fall)    over the brick.

3. The students    (wait)     for the bus when the police    (stop)    the criminal.

4. Benny    (run)     in the park when he    (lose)    his bag.

5. The child    (swing)     in the garden when someone    (scare)    her.

6. We    (have)     a picnic when it    (start)    to rain.

7. I    (study)     for my English test when my friend    (phone)    me.

8. He    (make)     his bed when the cat    (jump)    on it.

9. Mr Hardy    (sit)     in his bedroom when his wife    (leave)    .

10. The friends    (swim)     in the lake when they    (meet)    their teacher.