— Alice, is this your pen? I need one to write down the name of the book. — No, it isn’t . ________ is over there on the desk.
—Tong, some books here, please. —OK.
—, Bob. Is this your eraser ? —Yes, thank you.
Is your sister ?
—Where are the bags ? —.
Joan is my father’s sister. You can call (称呼) Joan .