5. call on / upon　 號召

4. call in　 召請，請來

3. call for　 去接某人，接走某人

2. call for　 請求，要求

1. call at 　 訪問，拜訪某地

9. Your letter calls _____　 the days when we worked together fifteen years ago.

8. Call me _____ tomorrow; my number is 536291.

7. I heard somebody calling _____ to me from downstairs.

6. I shall call _____ him tomorrow.

5. Many of these songs called _____ the workers to take up the struggle.