We shouldn’t spent our money testing so many people, most of _____are healthy

Every possible means _______ to prevent the crash , but the computer doesn’t still work．

I firmly believe _____ he said at the meeting was right.

 A theme park featuring Hans Christian Andersen’s fairy tales will be built and open to the public in Shanghai during the World Expo, which is ______ on May 1 this year in the city.

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