We all like the story about our English teacher _________ happened in our school last week.

There is a(n) ________ of peace and calm in the country, quite different from that of a big city.

Great changes _________ in many fields since China was open to the whole world.

I wonder how much you charge for your services.—The first two are free _____ the third costs $ 30.

________ woman is your mother— The one with long hair.