The sentence that has an indefinite pronoun is:

Questões de assuntos semelhantes

• Identify the sentence with the correct personal pronoun: 
• In the third sentence of the second paragraph of text 18A3-I, the pronouns “which” and “it” are both replacing 
• Mark the only correct statement concerning reference.
• The relative pronoun “who”(l.8) can be correctly replaced by
• “Addiction/ better/itself/among”. The following words can be classified as: