A. COMPLETE USING 'MUSTN'T' OR 'DON'T / DOESN'T HAVE TO'

1) We have a lot of work tomorrow. You ........... be late.
2) You ............ tell anyone what I just told you. It's a secret.
3) The museum is free. You .......... pay to get in go to work.
4) John's a millionaire. He smoke inside the school.
5) You ......... smoke inside the school
6) You can borrow my new dress, but you ............. get it dirty.
7) She ............ do this work today, because she can do it tomorrow.
8) They ........... get up early today, because it's Sunday.​