Compléter Mustn't/don't/doesn't have toVersion en ligne Complete the sentences with mustn't or don't / doesn't have to. par Lupita Torres Pelcastre 1 1 . - He's a brilliant student - he work hard to get good marks . 2 . - You can stay up late , but you make a lot of noise and wake up your sister . 3 . - We forget the name of our hotel . 4 . - She always pays by credit card so that she carry a lot of money with her . 5 . - You tell Jack about the party - it's a secret ! 6 . - The bus leaves at 9 a . m . exactly , so you be late . 7 . - We wear a uniform to school , but we wear jeans or trainers .