Fill in the blanks with the prepositions of time in, on, at where necessary. I. I usually finish work early___Friday. I don't work___the weekend. 2. Let's meet___five___Sunday, July 14. 3.1 am busy___the moment. Come___ten minutes' time, please. 4. There was a boat race in Southampton___Easter Day. A lot of people usually come there___Easter to see the race. 5. Can you imagine what the world will be___.the year 2100? 6. When will you have your holiday,___winter or___summer? — I'll have it late___August. 7. We started off___midnight and reached the place of destination___twelve hours ___noon. 8.1 was in France in 1997.___that time I was working as a waiter in a small cafe. 9.___the age of sixteen he left his parents' house. 10.___her wedding day she got up.___dawn. 11. You must come and have tea with us___next Thursday. Are you free___Thursday? 12.1 received a lot of presents ___ my birthday. 13. Leonardo da Vinci lived and worked __ the Middle Ages. 14.___every day he got up early___the morning and went to bed late___night. 15.___ the 19th century many people died of cholera and smallpox.