1.

根据句意及图片提示用适当的单词填空

1. （1） Can you help me my bike? It broke down on my way to school.

3. （2） —How often do you write a to your friend?
   —Once a month.

5. （3） Li Ming helped a man cross the street when he came back from school.

7. （4） Would you mind the window? It's hot inside.

9. （5） You should do more exercise to keep .