The topic sentence of the following paragraph would be A. Chess is a challenging game that can be a lot of fun once someone learns to play.
Answer:
Their language, now called Old English, originated as a group of Anglo-Frisian dialects which were spoken, at least by the settlers, in England and southern and eastern Scotland in the early Middle Ages, displacing the Celtic languages (and, possibly, British Latin) that had previously been dominant.
Explanation:
Answer:
They don't have many similarities other than both being functional sentences.
However, you can make a compound sentence with a run on.