Question

Вставьте недостающие местоимения: ------- school is big. This is Hob, the dog, and that is -----doghouse. The doghouse is big and brown. ------ roof is green. ------ is by the pond.

Answer 1

Our school (первое предложение не совсем понятно, нет контекста, можно поставить и my и his и her. Далее по контексту)
its doghouse
its roof
it is by the