1. It’s my brother's.
2. Where’s Tom and Jane's house?
3. This is our friends' son.
4. Is this Jack's MP3 player?
1. Tokyo is (the most expensive) city in Japan.
2. It was (the worst) mistake I’ve ever made.
3. Their house is (bigger) than our house.
4. Simon’s story is (funnier) than yours.
5. This task is (moe difficult) than the first one.
1. I told her my address and she told me hers.
2. We told them our address and they told us theirs.
3. He told you his address and you told him yours.