It is no use _________ to persuade him ________ smoking because he has been addicted to it since he wasyoung.
After many years both countries have come to realize that neither side could ever succeed in getting rid of _____ by means of war.
--- What about ___ book? --- It’s too difficult ___ book for beginners.
He is a man of few words; besides, it’s hard to ___ his mind.
It is raining heavily. Little Mary felt cold, so she stood ___ to her mother.
When ___basketball, you should be careful not to hurt yourself.