Usage: Identifying when to use "he teaches" (habit) vs. "he is sitting" (current action). :
While specific answers vary by edition (2nd, 3rd, or 4th edition), most follow a consistent structure. Here is how to navigate the common sections: Units 1-3: Personal Connections and Experiences world link 2a answer key
Real-world conversations and "City Voices" video segments. Usage: Identifying when to use "he teaches" (habit) vs