3. Which of the following should NOT be included in a summary? a) Key details b) Personal opinions c) Main ideas d) Important facts

The correct answer is b) Personal opinions.When writing a summary, it is important to focus on the key details, main ideas, and important facts of the original text. Personal opinions should not be included in a summary because a summary is meant to be an objective and concise representation of the main points of the original text, without adding personal bias or subjective interpretations.