Half of _____surveyed in 16 countries say they go first to their closest friend to share their deepest wishes and darkest fears.

My father always warns me that there is no such thing as a free lunch because we can’t get _________ for nothing．

Some people would rather ride bikes as bike riding has _______ of the troubles of taking buses.

Can I do ___ for you?

 She asked if any of the passengers knew _____ about machines or at least how to drive a car.