Mr. Wang has taught in our school _______ he came to Hainan.A. when B. for C. since
—Does Helen speak English ____?—Yes. Her English is very ____.
—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.