V. Put in a suitable conjunction: after, before, when, while, until, as soon as, since, as if.

Lý thuyếtTrang 205
  1. I usually have a snack _________ going to bed.
  2. He had a heart attack _________ watching a video.
  3. You look _________ you've seen the ghost.
  4. How many jobs have you had _________ leaving school?
  5. Have a rest every hour or so _________ driving long distances.
  6. We haven't heard anything from her _________ getting that letter last month.
  7. I'll look after the kids _________ you get back.
  8. Put this on _________ shaving and you'll smell wonderful.
  9. Always wear goggles _________ working with metal.
  10. I fell in love _________ we met.

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