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
The headmaster thought _______ necessary to invite Professor Brown to give us a lecture.
How pleased the emperor was ___ what the cheats had said.
---Don’t you think it necessary that he ____ to Miami but to New York? --- I agree, but the problem is _____ he has refused to.
When was _____the government decided to move the citizen out of the downtown area?
Danby left a message with the professor ______ he would call again in the afternoon.