—Have you ever been to the Qinghai Lake, Jim?—Yes. That’s the most fantastic place _______ I’ve ever visited.
—____ do you go to school in the morning? —At 7: 30.
—What would you like ____? —A glass of water, please.
—____ —Some rice, please.
—____ —She is a nurse.
His father and mother ____ teachers.