1 - Surgeons must wear masks during an operation.
f - This is necessary
2 - You ought to have an annual check-up
a - It would be a good idea to do this.
3 - You must clean your teeth every day.
h - This is very important; it is essential.
4 - You need to sleep for at least 7 hours a night.
d - It is important that you do this.
5 - You mustn't smoke in here.
c - You are not allowed to do this; it is forbidden.
6 - You don't have to drive me to the station.
e - It's not necessary, but you can if you want to.
7 - You shouldn't be rude to your mother.
g - It would be a good idea not to do this.
8 - In the UK you have to be 17 to get a driving license.
b - This is a rule.
(Gap fill) - You __________________ smoke as it it bad for your health.
shouldn't
(Gap fill) - You _______________ eat healthy food.
Should
(Gap fill) - You _________________ shower everyday to stay clean.
should
