<span>The architect had built two skyscrapers before he built the museum.
Past perfect tense always has the word "had" before the actual past tense word. If the answer was just built than you would be looking for just past tense and not perfect past tense.</span>
Answer :
B. The novel "Treasure Island" by Robert Louis Stevenson is set in the eighteenth century near Bristol, England. The treasure island is a small island near the coast of Spanish America that is inhabited by pirates. The novel's setting has a great impact on its action. The most important effect of the novel's setting is "Because the island is separate from civilization, the characters act in uncivil and lawless ways there."
I'm not sure about number 1. Maybe: It was the happiest event.
2. The judge cautiously handed down her decision.
3. Mr. Majors was pressed hard to find an answer.
The first one, "was revealed" makes it passive,