Complete the sentences with 'should' or 'shouldn't'.

  1. You __________ smoke, Mr. Smith. It's very bad for you.
    1.   should
    2.   shouldn't
  2. On very hot days, people __________ drink a lot of water.
    1.   shouldn't
    2.   should
  3. You __________ arrive late, it's very rude.
    1.   should
    2.   shouldn't
  4. Children __________ go to the dentist's at least twice a year.
    1.   should
    2.   shouldn't
  5. Doctors say people __________ eat a lot of red meat.
    1.   should
    2.   shouldn't
  6. It's a beautiful day. We __________ walk to the park.
    1.   should
    2.   shouldn't
  7. They __________ visit the Science Museum. It's fantastic.
    1.   shouldn't
    2.   should
  8. You __________ buy that jacket. It's horrible!
    1.   shouldn't
    2.   should
  9. You're always tired. You __________ sleep more.
    1.   shouldn't
    2.   should
  10. You __________ talk in the library, people are studying.
    1.   should
    2.   shouldn't