Fill the necessary preposition in.1. She is ___ her sixties, but she looks much younger.2. The first man walked on the moon ___ 21 July 1969.3. The telephone and the doorbell rang ___ the same time.4. What are you doing __ the weekend?5. Charles is getting married ___ next year.6. Columbus made his first voyage from Europe to America ___1492.7. I nearly missed my flight yesterday. I got to the airport just _ time8. I`m busy just now, but I’ll be with you ___a moment9. We often have a short holiday__ Christmas.10. Do you work __ Wednesdays?11. I didn`t understand the text ___ first, but__ the end I managed to translate it.12. I `ll have written a composition ___ 5 o` clock.13. Mary and Henry always go out for a meal __ their wedding anniversary.14. ‘ Can I speak to Clare?”, “ I’m afraid, she is not here __ the moment.15. I work ___ early morning ___ late ___ night.16. I started learning English___the age of five.17. It was quite a short book and easy to read. I read it___ a day.18. We travelled overnight to Paris and arrived __ 5 o` clock __ Friday morning.19. They go out ___ every Wednesday __  the evening.20. The train service isn`t very good. The trains are rarely ___ time.