Put in a suitable conjunction:

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Exercise 5: Put in a suitable conjunction: after, before, when, while, until, as soon as, since.
1. I usually have a snack
going to bed.
watching a video.
2. He had a heart attack
3. How many jobs have you had
4. Have a rest every hour
5. We haven't heard anything from her
6. I'll look after the kids
7. Put this on
8. Always wear goggles
9. I fell in love
leaving school?
driving long distances.
we met.
getting that letter last month.
you get back.
shaving and you'll smell wonderful.
working with metal.