Must exercises (10th grade)

Hi dear students. 

Here is the link to practice the exercises of Must and Mustn't

http://www.englisch-hilfen.de/en/exercises/modals/must_not.htm
http://www.englisch-hilfen.de/en/exercises/modals/must_not2.htm

Have a beautiful night. 

Bye. 

Teacher Viviana Pongutà :)

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