–Does your sister like red?–Yes. This red skirt belongs to ______.

—What did you do yesterday?—My brother took two friends of ________ to play chess with us. But I don’t’ know _______ of them.

---How was their last weekend? ---Great. They had a picnic in the park and enjoyed _______.

—Is this          pen, Tim? —No. It’s Mary’s.

Australia is in the south of the earth so the seasons there are the opposite of       .