第二节：语法和词汇知识（共15题，每小题1分，满分15分）
6. --- Thanks for your help, but can you do me one more favor, please?
--- ____, sir. What’s it then?
A. Just a minute B. It’s very nice of you C. That’s all right D. At your service
7. ---How long have you _______?
---5 years.
A. married B. got married C. married D. been married
