Should for obligation and advice

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. Note that you will lose points if you ask for hints or clues!
Give some advice about what he / she should or shouldn't do.

1. Sam goes to bed late.


2. Mary doesn't practice writing every day.


3. Peter wastes time.


4. Martha behaves badly.


5. Sam doesn't study grammar every day.