Choose the correct preposition. 1)the weather in ireland at/in winter is often cold and windy. 2)there are thousands of stalls at/to chatuchak 3)people are dancing on/in the streets 4)many people dance at/in the rio carnival 5)let's go on/at a tour around the city 6)i'm tired for/of walking. let's go for a coffe 7)there are lots of souvenirs to choose of/from