Заполните пропуски модальными глаголами mustn’t, can’t, needn’t. иногда возможны два варианта. 1. we decide now. we can do it later. 2. we arrive late to the station. the bus won’t wait for us. 3. you tell sue what happened. i don’t want her to know. 4. i did the shopping yesterday, so we do it today. 5. you walk on the grass. the sign says so.