Some of my friends have found the work … (after – while – before) others are still unemployed. I agree with the idea, … (since – although – before) I don’t think it’s quite practical.You should brush your teeth … (after – before – while) have finished your meal.Let’s go home … (after – before – while) it starts raining.The storm started … (after – before – while) the kids were playing in the yard.Give this book to Sam … (since – when – until) you see him.He has ridden a horse … (since – when – until) he was a little boy.The first jeans were designed for workers, … (since – although – before) today they are worn all over the world.The sun is quite warm today, … (after – while – before) the air is still chilly.​