We do not permit _________ in the office.

There is a piece of news from Shandong Province saying: ______in the school-bus for the whole day, the child died for lack of air.

Sir, do you have anything _______ this afternoon? If there is nothing to do, I wonder if I can ask for leave.

_____that the girl with an incurable disease would die soon, the boy decided to help her make her last days beautiful and meaningful.

On Tuesday，Jefferson praised Bill，______him a hero．