— Did you remember to give Mary the money you owed her ?—Yes.I gave it to her _______ I saw her.

Classical novels often have ________ which add interest, tension, or deeper meaning to the  text; mist is one in Great Expectations.

The plan was in _________ just because people were unwilling to cooperate.       

Patience is an important ____ of a happy and rewarding life. After all, some things are worth waiting for. 

Her childhood dream became a _______ when she broke the 100m race world record．