_____he had not hurt his leg, John would have won the race.

Over time my memory has developed        much that, like an elephant, I never forget anything I have been told. 

When you get on stage for the first time, you may be surprised by ______bright the lights are.

There are no easy answers to questions brought to us by the rapidly changing world,        we can try to turn challenges into opportunities．

— How are you getting on with your work? — Oh, I’m sorry. Things aren’t going so well as _______.