1. Ice melts at 0 degrees Celsius. Look, the ice-cream is melting.
2.the volga flows into the Caspian sea. the river is flowing very fast today
3.mr green always lives at hotel when he is in London. he is staying at the park hotel
4.it often rains in autumn. take an umbrella, it's raining
5.what does your father do? look! what is he doing?