Unit 7A Visit to a Middle SchoolPart ANew wordsmiddle schoolteacher's officephysicslabThe school library is on the first floor
The teacher's office is on the second floor
Where are the chemistry lab
They are on the ninth floor
Where are the computer rooms
They are on the 9th floor
reading roomwhich floor
science labwhich floor
physics lab which floor
1,The reading room is on the third floor
2,The science lab is on the fourth floor
2,The physics lab is on the fifth floor
