根据句意用所给词的适当形式填空。

1. We should try our best to help the _____ (able) people.

2. As an _____ (experience) teacher, he always has ways to make his class lively.

3. Mr. King’s son has come to China for _____ (far) study.

4. The old men do exercises every day to improve their _____ (fit).

5. The government(政府) should do something to help those _____ (home) people.