should or... shouldn't

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Fill in the gaps using "should" or "shouldn't"

1. You read in the dark. It's bad for your eyes.
2. You go jogging three times a week.
3. We eat sweets all day long.
4. We get plenty of sleep.
5. We drink a lot of water.
6. We take exercise three times a week.
7. We smoke.
8. We eat a lot of fruit and vegetables every day.
9. We watch a lot of TV.
10. You eat more fish than red meat because it's very good for your health.