Question

---How often do you surf the Internet?

---I like it very much．I surf the Internet ________．

1. A.
   never
2. B.
   once a month
3. C.
   every night
4. D.
   hardly ever

Answer 1

C
根据前后句逻辑意义，“他很喜欢做……”意味着做这件事的频率高，应用every night．