Question: humans were not even around 65 million years ago, never mind people who could work metal.
Answer: --> Humans were not even around 65 million years ago, never mind people who could work metal.

Question: the us has got a president but in sweden has got a king.
Answer: --> The US HAS got a president but in Sweden HAS got a king.

Question: to supplement the information in the navigation/sea charts you should always also talk to local sailors and the harbour masters.
Answer:
--> To supplement the information in the navigation/sea charts you should always also talk to local sailors and the harbour masters.