, .
my .
Hi! How are you? My name's David Smith. I'm a boy from England. I'm nine. This is my schoolbag. It's blue and white. My pencil box is in it. It's yellow. My pen and pencil are in the pencil box. What's that? Oh, it's an e-book. Is it my e-book? Yes, it is. Look! My schoolbag is nice, isn't it?
——是的,它们是。
— , Grace. your ?
—Yes, .
— 不, 不是我的。是他的。
— Is this eraser?
— No, it isn't .It's .
— No, it isn't ______________.
— No, it isn't ______________.
— No, it isn't mine. It is (he).