听对话,选答案。 ( ) 1. A. None. B. Two. C. Four. ( ) 2. A. Because she overslept. B. Because she was ill. C. Because she worked as a volunteer. ( ) 3. A. On foot. B. By bike. C. By bus. ( ) 4. A. At about 8:00, B. At about 9:00. C. At about 8:30. ( ) 5. A. Go fishing.. B. Climb mountains. C. Play cards.