In/at/on1 The children are playing __ the park.2 Ilove sunbathing __ the garden.3 He's studying physics__ a university.4 Let's meet__ the bus stop.5 Look! That's a Picasso __ the wall.6 The course starts __ May.7 My grandfather died __1984.8 I was born__ 25h October.9 We have a coffee machine__ work.10 Do you like skiing __winter?11 What time will you be __ home tonight?12 Do you eat a lot __ the evenings?13 My English classes are __Tuesdays and Thursdays.14 He usually does his homework __night15 The flight's __ 7.00 a.m.16 It's so romantic! They got married__ St Valentine's Day17 We usually go away __ Christmas.18 I think you left your bag __ the bedroom.19 Do you usually go away __the weekend?20 I live __ the centre of London