听对话和问题,选择正确的选项。 1. How much does one shirt cost if you buy two at a time now? [ ] A. $60. B. $50. C. $55. 2. How does Tom get to school? [ ] A. By bus. B. By bike. C. On foot. 3. Where are they talking? [ ] A. At home. B. In the hospital. C. In the shop. 4. What did Susan buy this morning? [ ] A. B. C. 5. Which country are Tom's family going to? [ ] A. B. C.