Question one would more than likely be 4.
Question two, would also be 4, it seems.
<span>Action to Custer and as they ride through the hills, waiting for Jim to finish his song, they save the life of Anne Miller (Nell O'Day), who is being pursued by rustlers.</span><span>
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Answer: D) They had not seen the experiment, yet they knew the results.
Explanation: a conjunction is a an uninflected linguistic form used to connect clauses, phrases, words or sentences or to coordinate words in the same clause, for example: and, if, so, yet, but, or, nor, etc. In the given sentence we can see an example of a conjunction in the word "yet" it is joining two independent clauses: "they had not seen the experiment" and "they knew the results."
Antecedent of a pronoun is a word that the pronoun refers to, or replaces. So, in this sentence, we are looking for the antecedent of the pronoun IT. The pronoun IT replaces the noun Chicago, which means that the word Chicago is the antecedent of the pronoun IT.
IT provides the best opportunity, meaning that Chicago does that.
