______ earthquake on March 11th was ______ terribledisaster, making thousands of Japanese homeless.

have seen, the focus of medical care in our society has been __________ from curing diseases to preventing diseases—especially in terms of changing our many unhealthy behaviors.

I am heavily ________ at the moment, but I hope to be out of it when I get paid[ ]

With the word “ PM2.5” ________ appearing in media reports, people pay greater attention to it and seek health tips for smoggy days.

ou finished your composition already,Jack —-Yes, I _____ it within half an hour.