用所给词的适当形式填空。

1. The song _____ (remind) me of my childhood.

2. The boy didn't say the words _____ (clear), so his father could not understand him.

3. Of all the animals, I like _____ (monkey) best.

4. It is _____ (possible) to improve our English without enough practice.

5. She's getting on well with her _____ (neighborhood).