Test should/shouldn't

1. He _____(study) more if he wants to pass his exam.

 2. It's an incredible film. You _____(watch) it.

3. You should _____ smoking. 

4. It's a very dangerous area. Tourists ____ (go) there.

5. What do you think I _____ do?

6. People should ________ that the world has changed.

7. That motorcyclist _____ be wearing a helmet.

8. The teacher demanded that John should _____ harder. 

9. _______ the dress or the skirt? (I / buy)

10. Children _______ (drink) sugary drinks. It's not very healthy.

11. You ______ (go) to that restaurant. The food is terrible.