Read and choose should or shouldn't.

e.g. You should / shouldn’t take your raincoat. It’s going to rain.
1. Alex ... pick up that heavy box. He is going to hurt his back.
2. I ... do more exercise to feel better.
3. You ... be nervous. You revised well for the test.
4. We ... panic. There is still plenty of time to get there.
6. They ... wear their sunglasses or they will get sore eyes.
7. I think I am getting a cold. I ... take some vitamin C tablets.
8. She ... go to the doctor. She doesn’t look well.
9. Paula ... worry. She always does well at Maths.
10. If you are tired, you ... go to bed early tonight.
11. We ... fight. We are best friends!