Unit 2: Family Life (Grammar)
At my school, you ( have to / don't have to ) buy your lunch, you ( can / can't ) bring your lunch from home. Whatever you choose, you ( have to / don't have to ) eat your lunch in the school cafeteria.
don't have to / can / have to
You ( have to / don't have to ) put your dog on a lead in this park.
have to
You ( can / can't ) wait on the platform for your train.
can