Students in this school don’t have classes on Wednesday afternoon, which is      , for teachers have a meeting.

When a space shuttle has accomplished its _____, it can be ready for another trip in about two weeks.

The boy slipped out of the room and headed for the swimming pool without his parents’ _____.

It is widely accepted reported in the western media that the drug ______ is now becoming a leading cause of teenager crimes.

He had no special ______ and was treated just like every other prisoner.