The number of people who ___ in position of professional skills and knowledge ___ shrinking.
The supermarket near my house is __________ one in our city, where you can buy whatever you want.
—If only there were no examinations!—__________ We all need more rest.
—What's the boys' favorite sport?—__________ of boys like playing football.
Every possible means __________ to prevent air pollution, but the sky is still not clear.
We must __________ to the public the simple fact thatdrugs are dangerous.