A salty diet may increase the risk of stomach cancer ________ 10 percent, South Korean researchers found in a study of more than 2 million people.
According to scientists, our mental abilities begin to______from the age of 27 after reaching the highest level at 22.
"It's a such nice place," Mother said as she sat at the table________ for customs.
The research lacks evidence, and therefore, its conclusions are doubtful.
We live in an age more information is available with greater ease than ever before.
I think Tom, as the head of a big department, should either study regularly or______ his job.