4 Circle the correct word. O I have been a doctor for / since ten years. 1 She hasn't seen a good film for / since last December.

I have been a doctor for / since ten years. She hasn't seen a good film for / since last December. We have known them for / since a long time. He has worked there for / since he was twenty years old. They haven't played tennis for / since ages. We have lived here for / since 2016. He hasn't read a book for / since January.