Giving up smoking______the risk of heart disease.
—John and Lucia got married last week. Did you go to their wedding? —No, I _____ a lecture in another city.
This kind of cloth _____ well. I think it is worthy_________.
When Madam Curie did the science experiment again, she was more careful where she_____ a mistake.
Since the beginning of the vacation, I_____ across the country, and my next stop is the Wuyi Mountain.
Attention, please, everybody! Please stay_____ while I take a photograph of you.