She ......... run in the classroom.
Mustn't
To play video games, you ........ tidy up your room first.
Must
She needs to learn English. She ....... listen this lesson.
Must
Before the lesson, we ........... prepare our books.
Must
You ........... be quiet, your brother is sleeping.
Must
I ............. brush my teeth before bed.
Must
Lisa ........... touch the sword, it belongs to the museum.
Mustn't
When you go to a museum, you ......... follow your teacher.
Must
Ben ........... do his homework.
Must
You .......... shout in the library.
Mustn't