2. A: Why is she smiling? B: She has graduated from university. 3. A: Why are they happy? B: They have won some medals. 4. A: Why is he sad? B: He has lost the game.
2. A: Why is she smiling? B: She has graduated from university. 3. A: Why are they happy? B: They have won some medals. 4. A: Why is he sad? B: He has lost the game.