根据句意，用所给单词的适当形式填空。

1. His dream home is quite different from_________ (she).

2. The __________ (rob) homes are in the same building. They are thirty years old.

3. Do you think the people there are __________ (friend) to you?

4. There are many books on these __________ (shelf).

5. There is __________ (little) air pollution here than in other areas.