1. 用所给词的适当形式填空

1. （1） You need to bring your umbrella on  (rain) days, or you'll get wet.
   

3. （2） The little boy is having a good time (visit) his grandfather.
   

5. （3） The old men  (drink) coffee right now.
   

7. （4） I want  (call) you, but my phone isn't   (work).
   

9. （5） I liked to walk in fields（田地）on (snow) days and to see my footprints(脚印) left behind.