4. Complete with the correct form of modal verb. Use MUST or MUSN´T.
- You _________ brush your teeth three times a day.
- You _________ forget to do your homework regularly.
- You _________ be nice to your classmates.
- You _________ wear warm clothes when it is cold outside.
- You _________ chew gum in class.
Respuestas a la pregunta
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Respuesta:
1. Must
2.Musn't
3.Must
4.Must
5.Musn't
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