The researchers found clear and convincing evidence _________ happiness is the key when it comes to better health and longer lives.
The long-lasting war, filled with blood and deaths, ended in people’s sadness, ______ no result.
When I saw the cars crash in the road, a frightened feeling ______ across my mind.
She kept a little notebook, in which _______ the telephone numbers and email addresses of her friends.
----Have you got any idea for the winter vacation? ----Yes. I’m going to a peaceful place, especially _________ suitable for relaxation.
Published in 1974,the book was a(n) ________ success and was soon translated into thirteen foreign languages.