1. shouldn't
2. should
3. shouldn't
4. should
5. shouldn't
6. should
7. should
8. should
9. shouldn't
10. shouldn't 

2. Complete with should/ shouldn’t.

1. Listen to that music! Our neighbors………​​shouldn't….play music that loud at this hour.

2. If your tooth is still hurting you tomorrow, you……should……go to the dentist’s.

3. Cathy…​​shouldn't…………keep ringing her ex-boyfriend. I think he is with another girl now.

4. Before going to Madrid for your holidays, you ……should……….try and learn something of the language. You will enjoy things a lot more.

5. You …should………..always knock on the door before entering. This is a private office.

6. We ……should……..bring something to Kate’s party. I’ll feel really embarrassed otherwise.

7. That model on the TV is too skinny. She……should…….eat more, I think.

8. Lizzie……should……….ask Bryan to help her with her studies. He did the same course last year.

9. Pregnant women……​​shouldn't……….smoke as it can damage the baby.

10. We……​​shouldn't……..leave too late tomorrow if we want to reach the beach before lunch.