How can you expect him to make any progress _____ you never give him a chance to have a try?
_____ New York _______ London are two of the largest cities in the world.
______ met, it won’t be easily forgotten.
-----They used to be good friends, but now they are like strangers. ----- How _____ this ______?
We have spent _____ money on English books.
People in America speak the same language ______ the British do.