If you are in the kitchen, you mustn’t________.
leave the stove on
If you are at the airport, you have to ____________
show your passport.
If you are at a restaurant, you have to __________.
wait for the waiter
If you are in class, you have to _____________.
pay attention
If you are at a concert, you have to ___________.
show your ticket
If you are on the street, you mustn’t___________.
cross at a red light
If you are in a supermarket, you have to__________.
pay before leaving.
If you are in a zoo, you mustn’t ____________.
feed the animals
If you are in a church, you mustn’t_________.
shout.
If you are at a museum, you mustn’t _______.
touch the paintings
If you are in a cinema, you mustn’t__________.
talk loudly
If you are in a lesson, you mustn’t_____________.
check your phone.
If you are on a plane, you mustn’t use __________.
your phone.
If you are at work, you have to ____________.
arrive on time