--- Have you heard about that car accident near the school? ---Yes, luckily no one_______.

Mary is tired of learning because she is_____ to do better than she can, both at school and at home. 

There was a big earthquake in Japan, but luckily many people _______. 

Unluckily, my grandma fell downstairs and her legs were badly _______. 

Nobody ______ to go into the laboratory without permission (允许).