When I passed this afternoon ,I saw Mary lying on the grass, her hands        under her head.

It’s quite strange that the man sleeps with his mouth ____ and his eyes _____.

______, a man who expresses himself effectively is sure to succeed more rapidly than a man whose command of English is poor. 

With our knowledge _________ practice, we can make contributions to our society.

It was a pity that the great writer died _______his works unfinished.