1. You ______ park in front of the fire hydrant. mustn't
a) mustn't
b) don't have to
[Du darfst nicht vor dem Hydranten parken.]

2. You ______ come early; just be on time. don't have to
a) mustn't
b) don't have to
[Du musst nicht früh kommen; sei einfach pünktlich.]

3. Students ______ use their phones during the test. mustn't
a) don't have to
b) mustn't
[Schüler dürfen ihre Handys während des Tests nicht benutzen.]

4. You ______ stay if you're feeling unwell. don't have to
a) don't have to
b) mustn't
[Du musst nicht bleiben, wenn du dich unwohl fühlst.]

5. He ______ interrupt when others are speaking. mustn't
a) mustn't
b) doesn't have to
[Er darf nicht unterbrechen, wenn andere sprechen.]

6. They ______ attend the meeting if they’re on vacation. don't have to
a) mustn't
b) don't have to
[Sie müssen nicht an der Besprechung teilnehmen, wenn sie im Urlaub sind.]

7. Children ______ play with sharp objects. mustn't
a) don't have to
b) mustn't
[Kinder dürfen nicht mit scharfen Gegenständen spielen.]

8. She ______ study every single night, just enough to keep up. doesn't have to
a) mustn't
b) doesn't have to
[Sie muss nicht jeden einzelnen Abend lernen, nur genug, um mitzukommen.]

9. You ______ waste water during the drought. mustn't
a) mustn't
b) don't have to
[Du darfst während der Dürre kein Wasser verschwenden.]

10. We ______ wear formal clothes for the casual Friday event. don't have to
a) mustn't
b) don't have to
[Wir müssen für die Casual-Friday-Veranstaltung keine formelle Kleidung tragen.]

11. She ______ bring a gift, but it would be nice if she did. doesn't have to
a) mustn't
b) doesn't have to
[Sie muss kein Geschenk mitbringen, aber es wäre nett.]

12. You ______ come to the meeting if you're busy. don't have to
a) don't have to
b) mustn't
[Du musst nicht zur Besprechung kommen, wenn du beschäftigt bist.]

13. They ______ touch the artwork in the museum. mustn't
a) don't have to
b) mustn't
[Sie dürfen die Kunstwerke im Museum nicht berühren.]

14. We ______ finish all the food if we're full. don't have to
a) don't have to
b) mustn't
[Wir müssen nicht alles aufessen, wenn wir satt sind.]

15. You ______ leave your bag unattended in the airport. mustn't
a) mustn't
b) don't have to
[Du darfst deine Tasche am Flughafen nicht unbeaufsichtigt lassen.]

16. She ______ answer the question if she doesn’t know the answer. doesn't have to
a) mustn't
b) doesn't have to
[Sie muss die Frage nicht beantworten, wenn sie die Antwort nicht kennt.]

17. You ______ cross the street when the light is red. mustn't
a) don't have to
b) mustn't
[Du darfst die Straße nicht überqueren, wenn die Ampel rot ist.]

18. They ______ agree with the decision, but they need to respect it. don't have to
a) don't have to
b) mustn't
[Sie müssen der Entscheidung nicht zustimmen, aber sie müssen sie respektieren.]

19. You ______ cook tonight; we can order takeout. don't have to
a) mustn't
b) don't have to
[Du musst heute Abend nicht kochen; wir können Essen bestellen.]

20. He ______ bring the documents unless they’re needed today. doesn't have to
a) doesn't have to
b) mustn't
[Er muss die Dokumente nicht mitbringen, es sei denn, sie werden heute gebraucht.]