Answer:
4). At the skyscraper, we watched them in action building their masterpiece.
Explanation:
As per the question, option 4 displays the sentence that is written in active voice as the subject/doer is accomplishing the action expressed by the verb in the sentence which is contrary to the sentence written in passive voice which involves a subject that receives the action or being acted upon(by the verb). Options 1, 2, and 3 emphasizes the object('the skyscraper visit', 'the museum', and 'those works of art') instead of the subject which implies that they are the recipient of the action. Thus, only option 4 contains the subject 'we' that is performing the action 'watched' rather then receiving it. Therefore, <u>option 4</u> is the correct answer.
Don Quixote has been called "the first novel" by many literary scholars (or the first of the modern European novels).
Although is the subordinating conjunction. It is used to contrast two different thoughts into the sentence. A subordinating conjunction can begin a sentence or go in the middle. Choice B
A good thesis would be: The Los Vegas Massacre was a very deadly one, and there are many things that we could do to prevent future ones. Hope this helps and have a great day!