Vitamin D helps our bodies make a special chemical,and this special chemical, ____ , affects our brains,making us feel happy.
The bank is reported in the local newspaper_____ in broad daylight yesterday.
The girl seems to have a(n) ______ for drawing.
The children found it hard to_______to their new school.
The majority of the local people got benefit from the medical reform which they are in ______ of.
__________ to sunlight for too much time will do harm to one's skin.