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