Fill in (must/ mustnt, have (has) to/dont (doesnt) have to). 1) you ____ do your homework. 2) I _____take my umbrella. Its raining. 3)You _____walk on thin ice. 4)She_____go to school today. Its Sunday. 5)Mary_____go to the dentist. 6) You ______feed animals at the Zoo.
1must
2have to
3mustnt
4doesnt have to
5has to
6mustnt
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