根据所给句子和汉语提示，在空格处写出相应单词的适当形式。

1. Don't ______ (穿过) the street when traffic lights are red.

2. This room is too ______ (潮湿) for them to live in.

3. You'd better have the ______ (药) before meals, Jim.

4. Mao Jia enjoys ______ (骑) a bicycle to school every day.

5. My grandparents live on the ______ (七) floor near here.