Assuming you are referring to the third edition of the Summit 1 textbook by Joan Saslow and Allen Ascher, Unit 2 typically focuses on the theme "Personality" (talking about personality types, describing people, and discussing behavior).
Test Tip: On the Summit 1 Unit 2 test, look for context clues. If the sentence expresses regret, use should have. If it expresses a missed opportunity, use could have. summit 1 unit 2 test
Identify the Main Idea: Don’t get bogged down by every single word. Look for the "big picture" of the person’s character. Assuming you are referring to the third edition