It is no use _________ to persuade him ________ smoking because he has been addicted to it since he wasyoung.
It ________ that their plan was practical and successful.
It is considered a good way for students to ________study with pleasure.
It is known to all that a proper amount of exercise ________ to good health.
I have read the material several times but it doesn't make any ____ to me.
After staying in hospital for long, the patient was advised to go to the seaside to___ his health.