This is a nice restaurant, isn't it? Is this the first time you _____ here?

Here are the correct answers for each blank in the sentences:

10. **B. have been**
11. **C. have been doing**
12. **D. have been playing**
13. **D. until I saw her**
14. **D. for 20 years**
15. **B. Did – see**
16. **C. pays**
17. **B. has been**
18. **C. have hoped**

Let me know if you need further assistance!