—Is the schoolbag under the desk yours?—No, it’s my______. He left it there just now.A. brother B. brother’s C. brothers’
—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 .