He gave me two answers to the question, but _____ of them is right.
—What would you like ____?—Some milk, please.
—Is Mr. Brown a good teacher?—Yes. He is kind ____ us. We love him.
—Help yourselves, kids!—______
—What does your uncle do?—He is a farmer. He works ____ a farm.
— ____ is the letter from?—It’s from my friend, Wang Hui.