Vitamin D helps our bodies make a special chemical, and this special chemical, _______, affects our brains, making us feel happy.
He went to the couch and _____ it, uncertain what to do next.
While they were playing, a bomb _____ on the Bay Bridge, and one boy was injured seriously.
As a result of the report many villagers rushed to the mountains _____ gold.
What can we do for them _____ for all the help they have given us?
He was _____ upset by the accident.