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Questões por página:
Choose the option that aligns with standard prepositional collocations in academic registers:
Given the evidence gathered after class, choose the sentence that most precisely expresses a strong past deduction. 
Mark the option with accurate subject–verb agreement in a structure that often causes errors in formal writing. 
Choose the option that presents natural tense–adverbial collocation in international academic usage.
Mark the option that uses the double genitive to indicate one among several possible friends of John without ambiguity.