How to Use "extemporaneous" with Example Sentences

1. I especially enjoyed the extemporaneous speech we just heard .
2. He has crossed canada on a summer bus tour , with a daily dose of seared beefsteak , extemporaneous speeches , endless handshaking , interviews with local media and even some dancing .
3. Your remarks are in the tradition of what we have come to expect-sweeping and extemporaneous .