1. Jack's coming ..... midnight. in on at for

2. I'll meet you ...... two hours. in on at for

3. He came here ...... May. in on at since

4. Tom worked ...... three days. in on at for

5. I went to a party ...... Saturday. in on at since

6. What are you doing ..... the weekend? in on at for

7. When are you leaving? ...... two hours. in on at since

8. There is a good programme ...... 8 pm. in on at for

9. Birds usually sing ...... the mornings. in on at since

10. Tina likes studying ...... night. in on at since