QWhat must I do here?
AYou must be quiet in here.
QWhat must I do at the bus stop?
AYou must wait in line.
QWhat must I do near the school?
AYou must walk to school.
QWhat must I do at the crosswalk?
AYou must cross the street at the red light.
QWhat must I do at the intersection?
AYou must stop at the red light.
QWhat must I do every day?
AYou must get enough sleep.
QWhat must I do in the library?
AYou must be quiet in here.
QWhat must I do after school?
AYou must change your clothes.