The author had qualified as a doctor but later gave up the _____ of medicine for full-time writing.

.Symphony means a long piece of music that has three or four parts or ＿＿.

John says that his present job does not provide him with enough _____ for his organizing ability.

Dark clouds are a ___of rain while a smile a ____of friendship.

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