听长对话,回答问题。 听下面一段较长的对话,回答第1至2两小题。 1. What's the matter with Mr. Lee? [ ] A. He has a sore back. B. He has a stomachache. C. He has a toothache. 2. When will Mr. Lee go to see a doctor? [ ] A. After school. B. After dinner. C. After work. 听下面一段较长的对话,回答第3至5三小题。 3. The party is for ______. [ ] A. Dave B. Dave's sister C. Sandra 4. Sandra is leaving for London to ______. [ ] A. go sightseeing B. visit her grandma C. visit her grandpa 5. Sandra is going there ______. [ ] A. with parents B. alone C. with friends