People (shouldn't/should/mustn't) cover their mouths when they cough.
should
If you have a snake bite, you (must/should/shouldn't) go to the doctor.
must
My friend had a big stomachache yesterday, and now he (shouldn't/should/must) eat a lot of sugar.
shouldn't
When you have a sore throat, you (mustn't/must/should) take some cough drops.
should
They (must/should/shouldn't) put on a bandage over those deep cuts. It's bleeding a lot!
must
If you have a broken arm or leg, this first thing you (should/must/shouldn't) do is go to a doctor.
must
Students (must/should/shouldn't) wear a uniform when they go to school.
must
We (shouldn't/should/mustn't) use the phone during the class to talk to our friends.
mustn't
With the COVID-19 pandemic happening, we (mustn't/must/should) wear masks and sanitize all the time.
must
If you have a temperature, you (should/must/mustn't) lie down and rest.
should
If she has a headache, she (shouldn't/should/must) take a cough drop - an aspirin is better.
shouldn't
What must I do if I have COVID-19 symptoms?
You must go to the doctor. / You must call your doctor. (other answers?)
Where should I go if I have a temperature and a headache?
You should go to the hospital. / You should stay home. (other answers?)
The kids are sick. Should they go swimming?
No, they shouldn't.
Mark has broken his leg. Should he move it?
No, he shouldn't.
If you want to play a guitar, you (must/shouldn't/should) take lessons at Music school.
should
