1. We called _____ Mike's house yesterday.
2. All ships sailing on the oceans call _____ help by radio in English.
3. I'll call _____ my uncle at Beijing Railway Station.
4. Let's call _____ a doctor for the little girl.
5. Many of these songs called _____ the workers to take up the struggle.
6. I shall call _____ him tomorrow.
7. I heard somebody calling _____ to me from downstairs.
8. Call me _____ tomorrow; my number is 536291.
9. Your letter calls _____ the days when we worked together fifteen years ago.
1. call at 访问，拜访某地
2. call for 请求，要求
