Choose the correct word. You _______ eat in the classroom. It's not allowed!

The correct word to use in the sentence is "mustn't". The sentence would then read: "You mustn't eat in the classroom. It's not allowed!" Translation: В предложении нужно использовать слово "mustn't". Тогда предложение будет звучать так: "Тебе нельзя есть в классе. Это запрещено!" Answer: mustn't