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 _ time 8. I`m busy just now, but I’ll be with you ___a moment 9. 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.