C. Should or shouldn't:
Exercises: Fill in the blanks with "should" or "shouldn't"
• 1) You.......smoke so much
2) Maria.......eat less to become fit.
3) We........protect our environment.
4) You.......watch too much TV.
5) I think she.......attend classes on time.
6) We.......pollute environment.
7) Julia........be late for the classes.
8) Babies.......be left lonely at home ​