19.Vitamin D helps our bodies make a special chemical, and this special chemical,________,affects our brains, making us feel happy.
No one knows exactly when the first people arrived in _______ is now called California.
He cooked a great meal to ______ the help of his neighbors in finding his lost little daughter.
Tom makes up his mind to get a seat for the football match _____ it means standing in a queue all night.
In the middle of the square ______ two stones with a picture of a hero at each top.
Of the first Spanish _______ to California, ______ were religious men, whose ministry was to teach the Catholic religion to the natives.