at, in, on, from … till, since, by, for:
1. We have been friends in… childhood.
2. She will be at the Institute from… 10 a.m. to… 3 p.m.
3. She has lived in St. Petersburg since… 1970.
4. I shall read this book at… the end of the week.
5. I haven’t spoken to him for… 2 months.
6. Do you think he is going to stay for… ever?
7. He bought the car in… August.
8. He never comes to class in/on… time.
9. She arrived at… five o’clock in a taxi.
10. Every morning I get on the bus at… 8.30.
11. I won’t be back for… several hours. You should eat without me.
12. Everyone finished dinner at… seven o’clock.
13. Will you lend me your pen for… a minute?
14. I have known Dan for... many years.
15. I have been working on this for… two hours.
16. He gets up at… seven o’clock in… the morning and goes to bed at… eleven.
17. His office hours are from… ten till… six.
18. The train will leave … two minutes.
19. I was not there last summer.
20. Can you meet me on… Friday afternoon?
21. She always visits me on… Sundays.
22. It’s very cool here in… the evening.
23. I met her in… 1982.
24. She got many nice presents for… her birthday.
25. They may stay in Europe for… several months.
