Ответ:
1. If you drive along the road, you are 20 miles out of your way.
2. If you take your mobile phone into class, it must be turned off.
3. We don't use calculators when we write tests.
4. If you push this button, the volume increases.
5. If you close the door, it locks automatically.
6. I wear my old boots when I work.
7. When I cook salads, I use only olive oil.