We have great socks very good prices.A、in B、at C、on
--- My son seldom has breakfast. --- It is unhealthy habit. You must ask him to change it.
—Would you please tell me something about your travel in London? —____.
— Did Aunt Li buy a skirt last Sunday? — Sure. She chose_________ one of the two green skirts.
—The number of the students in our school is about nine ____. ____ of them are boys. —I think so.
The woman ____ all of her money to charities ____ the poor.