You________ put your mobile phone in flight mode when you are on an aeroplane.
must
You _______ eat too much fast food. It's bad for you.
shouldn't
You are sick. You _____ go to school today!
shouldn't
I _____ play video games too much. I have an exam tomorrow!
shouldn't
You ____ eat in the classroom!
mustn't
Bullying _____ be stopped in schools.
must
We ______ speak English in the classroom.
must
If you get fit, you _____ go to the gym.
should
I think you _______ save some money for the future.
should
You _____ drive so fast. The speed limit is 50 km.
mustn't
You ______ wash the dishes because your brother is tired.
should
