—Tom hasn’t visited Guangzhou. — ______
—What’s that? — It’s __________ orange clock, and __________ clock is very good.
—What do you usually eat in the afternoon? —Oranges.
—Excuse me, what’s your last name? —Black.
—Is Linda a nice girl in your class? —Yes, she is. She always helps us with math.
—When is your first class? —It’s at 8:20 am.