complete the sentences with there prepositions: across, behind, opposite, in front

Complete the sentences with there prepositions: across, behind, opposite, in front of.
1) There is a school ______ the hospital.
2) There is a bridge ______
the river
3) There is a square ______ the castle
4) There is a big bookshop ______ the castle
5) There is a small bridge _______ the castle.