=>
1. Tim should practice speaking more often.
2. I shouldn't go to bed so late.
3. Mai should put some pictures on the walls.
4. You should take a photograph.
5. My sister shouldn't go to school.
6. We should write them a letter of thanks.
7. Mai shouldn't eat too much fatty food.
8. I should study harder next semester.
9. Liz should go away for a few day.
10. I shouldn't smoke.
