Нужно раскрыть скобки в предложениях.
I ('m write, write) this postcard on the beach. It's a beautiful day and I (listen, 'm listening) music. I ('m coming, come) to the beach every day. I usually beach football and (go, 'm going) swimming in the sea with my dad.My mum (doesn't like, isn't liking) sitting in the sun. She ('s sitting, sits) under a beach umbrella now See you soon.