Answer:
When I saw the letter I started sweating becuase the letter was from someone and as soon as I saw it, I did something.
Explanation:
To determine the context of "how long is five score" you would use a dictionary. The dictionary will give you the definition of five score so you can figure out the correct meaning related to the context. A score is equal to 20 years. So five score would be 100 years.
The answer is: and.
Conjunctions join words, phrases and clauses in a sentence in order to avoid multiple, short sentences. In the example sentence, the conjunction <em>and </em>links the words shelter and rest.
The rest of the alternatives are incorrect because, in this particular statement, they function as prepositions, which usually precede nouns or pronouns and express relations among words in a clause.