You can take ____ you like here.
Vitamin D helps our bodies make a special chemical, and this special chemical, _______, affects our brains, making us feel happy.
Do you know what use people _______ pines after they’re cut down?
My parents will move back into town in a year _______.
John, _______ money is no problem, still leads a simple life.
Great attention must be paid _______ welfare, especially in the poor area.