Add punctuation: At Stevns the last runners had almost reached the goal
A: At Stevns, the last runners had almost reached the goal.

Add punctuation: Buy Royal Envoy 3 Collectors Edition game Full Version
A: Buy Royal Envoy 3 Collector's Edition game Full Version

Add punctuation: Hygienic conditions are unfortunate and at night the rats walk freely
A:
Hygienic conditions are unfortunate, and at night the rats walk freely.