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.
