3．
请你给格林先生介绍一下学校情况，做一次校园小导游吧!选一选。A．Is it next to Classroom 4.
B．Where is the teachers' office ?
C．It's next to the library．
Teachers' office
| Library | Classroom 4 |
Classroom 3 | Classroom 2 | Classroom 1 |
A: Welcome, Mr. Green!
B:Thank you．?
A: It's on the second floor.
B: ?
A: No, it isn't．
B: OK. Thanks.
