1
You ___________ bring your passport to travel to another country.
must
should
must not
should not
2
You ___________ bring a camera on your trip.
must
must not
should
should not
3
You __________ bring plants, food, or animals to other countries.
must not
should
should not
must
4
You __________ go through customs when you enter a new country.
must not
must not
should
must
5
You ___________ have a ticket to go on an air plane.
should
should not
must not
must
