1. 用方框中所给词的适当形式填空。每词限用一次。

be, ill, health, day, sleep

1. （1） We should eat more vegetables to stay .
3. （2） The old man in bad health since last year.
5. （3） The meeting was long and boring and many people felt .
7. （4） Now we should save water in our life.
9. （5） Jack's was serious at that time.