Be careful when you go down the ______.
stairs
You ________ eat food here.
should
should not
can
may
Everyone should follow the traffic ____.
ruler
rule
role
rull
We should ______ our seat belts on the plane.
fastel
fasten
faster
fast
What should we do in the hospital?
be loud
be quiet
be noisy
What should we do at the bus station?
wear a helmet
eat food
line up
use the phone
What should I wear when I ride a bicycle?
glasses
headphones
helmet
gloves