听下面5段对话，回答问题。 1. Whose bike is this? [     ] A. David's. B. Lin Hai's. C. Tom's. 2. What fruit do they need? [     ] A. Bananas and apples. B. Bananas and a watermelon. C. Bananas, apples and a watermelon. 3. What are they doing on their next day off? [     ] A. They are going shopping. B.They are going swimming. C. They are going skating. 4. What day is it tomorrow? [     ] A. Friday. B. Thursday. C. Saturday. 5. Where does the man want to go? [     ] A. The movie theater. B. The hotel. C. The post office.