We _________ play football in the living room.
mustn't
You ________ use a tissue if you have a cold.
must
You ________ cover your mouth when you cough.
must
You _________ tell your friends to be quiet if you have got an earache.
must
You _________ take some medicine if you have got a headache.
must
You _________ eat healthy food if you've got a stomach ache.
must
You ________ drink water if you've got a temperature.
must
