Put ‘When' or ‘While'

1.

We were swimming in the sea ………….. we saw a shark.
2. The earthquake happened …………… the sun was shining.
3.

Mr Ford fell off the ladder …..……… he was painting the ceiling
4. …………. he fell off the ladder, he broke his leg.
5.

The boy started to run away ……… the fire started.

6.

…………………. we went out, my boyfriend was wearing a black suit.
7. I hurt my leg ………… we were climbing a mountain.
8.

Sema was lying on the floor. …………… the ambulance came.

Answers:

1. when 2. while 3. while 4. when 5. when 6. when 7. while 8. when