where is your classroom?
It's on the first floor.
where is the lab?
It's on the fourth floor.
where is Tom's classroom?
It's on the second floor.
What's your grade?
I am in Class 1,Grade 2.
where is your classroom?
It's on the first floor.
where is the lab?
It's on the fourth floor.
where is Tom's classroom?
It's on the second floor.
What's your grade?
I am in Class 1,Grade 2.