We have to participate …
in class.
We have to wear a …
uniform for school.
We have to do …
our homework.
We have to stop at the …
red light.
We have to study for …
our classes.
We don’t have to wear …
the sweater.
We don’t have to eat …
the cookies.
We don’t have to play …
video games.
We don’t have to go to …
the movies.
We don’t have to read …
the comics.
