- Assistant: Size seven.
|
A. 教师办公室 B.一楼 C. 图书馆 D.二楼 |
⑴second floor
⑵teachers' office
⑶first floor
⑷library
—It's Tom's pen.
—________________.
B .





B .
It'sand.
is it?
It'sthe chair.

—What are those?
—They're ducks.