The only sentence which is NOT grammatically correct is:

Questões de assuntos semelhantes

• In the following question, some sentences from the text may have been modified to fit certain grammatical structures. The sentences “…they know it...
• The sentence “At least 30% of the activities associated with the majority of occupations in the United States could be automated” (lines...
• The sentence “The Collected Stories reveals the arc of Machado’s career…” (lines 67-68) and “This creation of a personal cartography…...
• The sentence “When I sit in a regular class, my mind wanders” contains an example of adverb clause classified as
• The sentences “A flash of light and a wall of fire destroyed a city” (lines 03-04) and “They do not want more war” (line 140) contain,...