You __________ wear a hat when you’re in the desert. It’s essential!
must
You ________ eat that! It’s cat food!
mustn't
You ____________ be 17 to drive a car in the UK.
must
You __________ take photos in this museum.
mustn’t
You _________ touch that painting. It’s very old!
mustn't
You __________ wear a hat .
must
You __________ park here.
mustn’t
I____ talk loudly in the library.
mustn't
I _____ play free fire in the class.
mustn't
You ___ wear a helmet when driving a motorbike.
must
You____ cheat in the exam.
mustn't
You___ follow your teacher.
must
You ___ bully your classmates.
mustn't
