there is a box in the classrom,对a提问则应为-------- -------- ------ ------there in claasrom?

there is a box in the classrom,对a提问则应为-------- -------- ------ ------there in claasrom?
there is a box in the classrom,对a提问则应为-------- -------- ------ ------there in claasrom?

there is a box in the classrom,对a提问则应为-------- -------- ------ ------there in claasrom?
how many boxes are there in……

是 how many box are in classroom 吧？

How many boxes are there in the classroom?