保证正确。my school is not very _big____, but it is very __nice___. we have 20 _classrooms____, two _language____ labs and a library. my classroom is _on____ the second floor _in____ Room 304. You can see it
on the playground. The _playground____ is small, too. we usually play on it after class. Im very _happy____ in my sch...
