Choose the right words in brackets to complete the sentences. (Our/ours)

Choose the right words in brackets to complete the sentences. (Our/ours) teacher is very kind. Whose budgie is this? It is (my/mine). In spring (her/hers) friends often go to the forest. (Their/theirs) address is on the table. (Your/yours) money is in the bank. The yellow bag is (my/mine), the red one is (her/hers). Is it Susans collection? No, it is not (her/hers). Bill knows your address, but he doesnt know (their/theirs). We live in this city. It is (our/ours) city. They are (my/mine) pets.