Students
>
Result
>
English Result Pre-intermediate
>
Grammar
>
Unit 6
>
have to, don't have to, must, mustn't (2)
Grammar
Study documents
→
Choose . . .
Unit 1
Unit 10
Unit 11
Unit 12
Unit 2
Unit 3
Unit 4
Unit 5
Unit 6
Unit 7
Unit 8
Unit 9
and
Choose . . .
→
have to, don't have to, must, mustn't
(2)
Choose the correct answer.
