____ students should be given more free time is suggested by many experts and welcomed by kids in school. 

The research is so designed that once________nothing can be done to change it. 

Harry, did you attend the dancing party________ at Jack’s house the other day?

.—May I see your ticket, please? I think you ________ in my seat.—Oh, you’re right. My seat is upstairs. I’m terribly sorry.

Idioms are used all the time and unless you recognize when an idiom is being used, what you read or hear ______ can easily be misunderstood