1. Sue can't have/must have been at the party last night. She's on holiday in Italy right now. 2. Karen may/has to leave school early tomorrow. She has a dentist appointment after school. 3. If Mary gets permission from her parents, she may/must study in France next year. 4. Students mustn't/needn't run in the school corridors. It's against the rules.

микки36    3   27.04.2020 10:26    9