The doctor is skilled at treating heart trouble and never accepts any gift from his patients,so he has a very good________.
-_________! The traffic is moving fast! -- Thanks, I will.
--_________ you good luck in the new year. -- The same to you.
You can _______ what is happening in the world by the Internet.
-Where's Tom? --He's left a _______ saying that he has something to do.
Ann is so careful that she always goes over her exercises to _______ there are no mistakes.