⑴in class A. 午餐盒
⑵lunch box B. 在上课
⑶behind the door C. 在那里
⑷my pencil D. 我的铅笔
⑸over there E. 在门后
—It's a pencil.
—She's my friend, Yang Ling.
—She's in the library.
—No, thank you.
—It's in my schoolbag.
— It's under the desk.
—_______.
—_____, it isn't.
—_________.