Составьте предложения в Present Perfect Continuous по образцу:
It is snowing. The snow started three hours ago. — It has been snowing for 3 hours.
1. We are waiting for the train. We started waiting 20 minutes ago. — …….
2. I am learning French. I started classes in November. — ….
3. Susan is working in England. She started working there on the 1st of November. — ….