Choose the correct preposition: I was in the park (on, in, at) Tuesday afternoon. There are a lot of good films on TV (at, on, in) Christmas. John usually meets Gina (in, at, on) summer in Madrid. I always have a good time (at, in, on) the weekend. We want to go to the cinema (on, in, at) Sunday afternoon. Maria loves climbing and always goes to the mountains (at, in, on) August. I don’t like visiting the theatre (in, on, at) the afternoon. They always go to Australia (on, in, at) January.