. In face of_________failure, it is the most important to keep up_________good state of mind.
Although medical science __________ control over several dangerous diseases, what worries us is that some of them are returning.
The meeting was concerned __________ reforms and every-one present was concerned __________ their own interests.
Rather than __________ on a crowded bus, he always prefers __________ a bicycle.
—What are you mailing, Ryan? —A textbook __________ a new method of teaching physics. I want my friends to take a look at it.
He __________ the game and __________ lots of experience.