---Are Mr. and Mrs. Wang living alone in the house? ---Yes, they have three sons, but ______ of them live in their own houses.
--What’s that? --________ A Watch B.A Watch C.Is a match D.Yes,it is
--Is this your pen? --________.
--________? --P—E—N.
--What color is it? --________.
________ name is Tim.________ name is Tina.