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 

—Do you think_____ worthwhile to go all the way to Los Angles to buy that computer?—Well ,I’m going to visit some relatives, too. 

 _______was not ______she took off her dark glasses _______I recognized her.

  Our football team led ______ one point, but towards the end of the game, their team scored and the game ended ______ a tie.

 So tired __________ after walking such a long way that I ___________ stand.