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reading comprehension

  1. What does "they" in paragraph 1 refer to?

    Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions from 21 to 25. Today’s grandparents are joining their grandchildren on social media, but the different generations’ online habits couldn’t be more...
  2. Which of the following can be the best title for the...

    Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions from 21 to 25. Today’s grandparents are joining their grandchildren on social media, but the different generations’ online habits couldn’t be more...