Brain, like muscles, also needs some kind of exercise and nutrition. The more you use your brain in the right direction, the more you ________ enhance your ability.
from heart trouble for years, my grandma has to take some medicine with her wherever she goes.
At first, the company had 15 notebook computers but only one – third used regularly. Now we have over 60 working all day long.
You are not in good health, I think. You could improve your by running every day.
The conference had been held to discuss the effects of tourism the wildlife in the area.
--- How long are you staying? --- I don’t know. .