Question

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Answer 1

si no me equívoco tienes que poner must en las oraciones que tienen palomita y en las que tienen una tacha le pones mustn't, en la segunda es...

1. I must study for the exam!
2. We mustn't talk in class
3. He must go to bed
4. She mustn't arrived late
5. You must listen to Me
6. They mustn't drink and arrived⠀

Espero q te ayude ^^