Question

Write what you must or mustn't do when you travel.

You _________ drink dirty water.
You_________ be careful when you travel.
You _________ always wash fruit and vegetables.
You_________ play on the road.
You_________ throw litter.
You_________ listen to your parents.

Answer 1

1. Mustn`t
2.Must
3.must
4.mustn`t
5.mustn`t
6.must